| ParkCode |
Place |
| ABLI |
Kentucky -- Larue County -- Abraham Lincoln Birthplace National Historic
Site |
| ACAD |
Maine -- Hancock County -- Acadia National Park |
| ADAM |
Massachusetts -- Norfolk County -- Adams National Historical Park |
| AGFO |
Nebraska -- Sioux County -- Agate Fossil Beds National Monument |
| ALKA |
Hawaii -- Ala Kahakai National Historic Trail |
| ALAG |
Alaska -- Alagnak Wild River |
| ALEU |
Alaska -- Aleutian World War II National Historic Area |
| ALFL |
Texas -- Alibates Flint Quarries National Monument |
| ALPO |
Pennsylvania -- Blair and Cambria
Counties -- Allegheny Portage Railroad National Historic Site |
| AMME |
Northern Mariana Islands -- Saipan -- American Memorial Park |
| AMIS |
Texas -- Amistad National Recreation Area |
| ANDE |
Georgia -- Macon County -- Andersonville National Historic Site |
| ANJO |
Tennessee -- Greene County -- Andrew Johnson National Historic Site |
| ANIA |
Alaska -- Kodiak Division -- Aniakchak National Monument and Preserve |
| ANTI |
Maryland -- Washington County -- Antietam National Battlefield |
| APIS |
Wisconsin -- Ashland and Bayfield Counties -- Apostle Islands National
Lakeshore |
| APPA |
Maine -- Appalachian National Scenic Trail |
| APCO |
Virginia -- Appomattox County -- Appomattox Court House National
Historical Park |
| ARCH |
Utah -- Grand County -- Arches National Park |
| ARPO |
Arkansas -- Arkansas County -- Arkansas Post National Memorial |
| ASIS |
Maryland (Worcester County) and
Virginia (Accomack County) -- Assateague Island National Seashore |
| AZRU |
New Mexico -- San Juan County -- Aztec Ruins National Monument |
| BADL |
South Dakota -- Pennington County -- Badlands National Park |
| BAND |
New Mexico -- Los Alamos County -- Bandelier National Monument |
| BEOL |
Colorado -- Otero County -- Bent's Old Fort National Historic Site |
| BELA |
Alaska -- Bering Land Bridge National Preserve |
| BIBE |
Texas -- Brewster County -- Big Bend National Park |
| BICY |
Florida -- Collier and Miami-Dade Counties -- Big Cypress National
Preserve |
| BIHO |
Montana -- Big Hole National Battlefield |
| BISO |
Tennessee and Kentucky -- Big South Fork National River and Recreation
Area |
| BITH |
Texas -- Jefferson County -- Big Thicket National Preserve |
| BICA |
Montana -- Bighorn County -- Bighorn Canyon National Recreation Area |
| BISC |
Florida -- Miami-Dade County -- Biscayne National Park |
| BLCA |
Colorado -- Montrose County -- Black Canyon Of The Gunnison National Park |
| BLAC |
Massachusetts
and Rhode Island -- Blackstone River Valley National Heritage Corridor |
| BLRI |
North Carolina and Virginia -- Blue Ridge Parkway |
| BLUE |
West Virginia -- Bluestone National Scenic River |
| BOWA |
Virginia -- Franklin County -- Booker T. Washington National Monument |
| BOST |
Massachusetts -- Suffolk County -- Boston National Historical Park |
| BOAF |
Massachusetts -- Suffolk County -- Boston African American National
Historic Site |
| BOHA |
Massachusetts -- Boston Harbor Islands National Recreation Area |
| BRCR |
Mississippi -- Lee County -- Brices Cross Roads National Battlefield Site |
| BRVB |
Kansas -- Topeka -- Brown v. Board of Education National Historic Site |
| BRCA |
Utah -- Garfield County -- Bryce Canyon National Park |
| BUIS |
Virgin Islands -- St. Croix vicinity -- Buck Island Reef National
Monument |
| BUFF |
Arkansas -- Baxter and Newton Counties -- Buffalo National River |
| CABR |
California -- San Diego County -- Cabrillo National Monument |
| CANA |
Florida -- Orange and Volusia Counties -- Canaveral National Seashore |
| CARI |
Louisiana -- Orleans County -- Cane River Creole National Historical Park |
| CRHA |
Louisiana -- Cane River National Heritage Area |
| CACH |
Arizona -- Apache County -- Canyon de Chelly National Monument |
| CANY |
Utah -- San Juan County -- Canyonlands National Park |
| CACO |
Massachusetts -- Barnstable County -- Cape Cod National Seashore |
| CAHA |
North Carolina -- Dare and Hyde Counties -- Cape Hatteras National
Seashore |
| CAKR |
Alaska -- Nome County -- Cape Krusenstern National Monument |
| CALO |
North Carolina -- Carteret County -- Cape Lookout National Seashore |
| CARE |
Utah -- Wayne County -- Capitol Reef National Park |
| CAVO |
New Mexico -- Capulin Volcano National Monument |
| CARL |
North Carolina -- Henderson County -- Carl Sandburg Home National
Historic Site |
| CAVE |
New Mexico -- Eddy County -- Carlsbad Caverns National Park |
| CAGR |
Arizona -- Pinal County -- Casa Grande Ruins National Monument |
| CASA |
Florida -- St. John's County -- St.
Augustine -- Castillo de San Marcos National Monument |
| CACL |
New York -- New York -- Castle Clinton National Monument |
| CATO |
Maryland -- Frederick County -- Catoctin Mountain Park |
| CEBR |
Utah -- Iron County -- Cedar Breaks National Monument |
| CEBE |
Virginia -- Cedar Creek and Belle Grove National Historical Park |
| CHSC |
Arkansas -- Little Rock -- Central High School National Historic Site |
| CHCU |
New Mexico -- San Juan County -- Chaco Culture National Historical Park |
| CHAM |
Texas -- El Paso County -- Chamizal National Memorial |
| CHIS |
California -- Ventura County -- Channel Islands National Park |
| CHPI |
South Carolina -- Charleston County -- Charles Pinckney National Historic
Site |
| CHAT |
Georgia -- Chattahoochee River National Recreation Area |
| CHOH |
Maryland, West Virginia and District
of Columbia -- Chesapeake and Ohio Canal National Historical Park |
| CHCH |
Georgia (Catoosa and Walker
Counties) and Tennessee (Hamilton County) -- Chickamauga and Chattanooga
National Military Park |
| CHIC |
Oklahoma -- Murray County -- Chickasaw National Recreation Area |
| CHRO |
Nebraska -- Bayard County -- Chimney Rock National Historic Site |
| CHIR |
Arizona -- Cochise County -- Chiricahua National Monument |
| CHRI |
Virgin Islands -- St. Croix -- Christiansted -- Christiansted National
Historic Site |
| CIRO |
Idaho -- City Of Rocks National Reserve |
| CLBA |
Maryland -- Montgomery County -- Clara Barton National Historic Site |
| COLO |
Virginia -- York County -- Colonial National Historical Park |
| COLM |
Colorado -- Mesa County -- Colorado National Monument |
| COSW |
South Carolina -- Richland County -- Congaree National Park |
| COGA |
District of Columbia -- Constitution Gardens |
| CORO |
Arizona -- Cochise County -- Coronado National Memorial |
| COWP |
South Carolina -- Cherokee County -- Cowpens National Battlefield |
| CRLA |
Oregon -- Klamath County -- Crater Lake National Park |
| CRMO |
Idaho -- Butte County -- Craters of the Moon National Monument |
| CUGA |
Kentucky (Bell County), Tennessee
(Claiborne County) and Virginia (Lee County) -- Cumberland Gap National
Historical Park |
| CUIS |
Georgia -- Camden County -- Cumberland Island National Seashore |
| CURE |
Colorado -- Gunnison County -- Curecanti National Recreation Area |
| CUVA |
Ohio -- Cuyahoga and Summit Counties -- Cuyahoga Valley National Park |
| DABE |
Ohio -- Cleveland Heights -- David Berger National Memorial |
| DAAV |
Ohio -- Montgomery County -- Dayton Aviation Heritage National Historical
Park |
| DESO |
Florida -- Manatee County -- Bradenton -- De Soto National Memorial |
| DEVA |
California (Inyo County) and Nevada -- Death Valley National Park |
| DELE |
Pennsylvania Delaware and Lehigh National Heritage Corridor |
| DEWA |
Pennsylvania (Monroe, Northampton
and Pike Counties) and New Jersey (Sussex County) -- Delaware Water Gap
National Recreation Area |
| DENA |
Alaska -- Denali County -- Denali National Park and National Preserve |
| DEPO |
California -- Devils Postpile National Monument |
| DETO |
Wyoming -- Crook County -- Devils Tower National Monument |
| DINO |
Colorado (Moffat County) and Utah -- Dinosaur National Monument |
| DRTO |
Florida -- Monroe County -- Dry Tortugas National Park |
| EBLA |
Washington -- Ebey's Landing National Historical Reserve |
| EDAL |
Pennsylvania -- Philadelphia County -- Edgar Allan Poe National Historic
Site |
| EDIS |
New Jersey -- Essex County -- Edison National Historic Site |
| EFMO |
Iowa -- Allamakee and Clayton Counties -- Effigy Mounds National Monument |
| EISE |
Pennsylvania -- Adams County -- Eisenhower National Historic Site |
| ELCA |
New Mexico and Texas -- El Camino Real de Tierra Adentro National
Historic Trail |
| ELMA |
New Mexico -- Cibola County -- El Malpais National Monument |
| ELMO |
New Mexico -- Cibola County -- El Morro National Monument |
| ELRO |
New York -- Dutchess County -- Eleanor Roosevelt National Historic Site |
| ERIE |
New York -- Erie Canalway National Heritage Corridor |
| ESSE |
Massachusetts -- Essex County -- Essex National Heritage Area |
| EUON |
California -- Contra Costa County -- Eugene O'Neill National Historic
Site |
| EVER |
Florida -- Collier, Miami-Dade and Monroe Counties -- Everglades National
Park |
| FAMA |
Michigan -- St. Ignace -- Father Marquette National Memorial |
| FIIS |
New York -- Suffolk County -- Fire Island National Seashore |
| FILA |
Ohio -- Canton -- First Ladies National Historic Site |
| FLNI |
Pennsylvania -- Flight 93 National Memorial |
| FlFO |
Colorado -- Teller County -- Florissant Fossil Beds National Monument |
| FOTH |
District of Columbia -- Washington -- Ford's Theatre National Historic
Site |
| FOBO |
Arizona -- Cochise County -- Fort Bowie National Historic Site |
| FOCA |
Florida -- Duval County -- Fort Caroline National Memorial |
| FOCL |
Oregon -- Clatsop County -- Fort Clatsop National Memorial |
| FODA |
Texas -- Jeff Davis County -- Fort Davis National Historic Site |
| FODO |
Tennessee (Stewart County) and Kentucky -- Fort Donelson National
Battlefield |
| FOFO |
Maryland -- Oxon Hill -- Fort Foote Park |
| FOFR |
Georgia -- Glynn County -- Fort Frederica National Monument |
| FOLA |
Wyoming -- Goshen County -- Fort Laramie National Historic Site |
| FOLS |
Kansas -- Pawnee County -- Fort Larned National Historic Site |
| FOMA |
Florida -- St. John's County -- Fort Matanzas National Monument |
| FOMC |
Maryland -- Baltimore -- Fort
McHenry National Monument and Historic Shrine National Monument |
| FOMO |
South Carolina -- Sullivan's Island -- Fort Moultrie National Monument |
| FONE |
Pennsylvania -- Fayette County -- Fort Necessity National Battlefield |
| FOPO |
California -- San Francisco County -- Fort Point National Historic Site |
| FOPU |
Georgia -- Chatham County -- Fort Pulaski National Monument |
| FORA |
North Carolina -- Dare County -- Fort Raleigh National Historic Site |
| FOSC |
Kansas -- Bourbon County -- Fort Scott National Historic Site |
| FOSM |
Arkansas (Sebastian County) and Oklahoma -- Fort Smith National Historic
Site |
| FOST |
New York -- Oneida County -- Fort Stanwix National Monument |
| FOSU |
South Carolina -- Charleston Harbor -- Fort Sumter National Monument |
| FOUN |
New Mexico -- Mora County -- Fort Union National Monument |
| FOUS |
Montana and North Dakota (Williams
County) -- Fort Union Trading Post National Historic Site |
| FOVA |
Washington -- Clark County -- Fort Vancouver National Historic Site |
| FOWA |
Maryland -- Prince George's County -- Fort Washington Park |
| FOBU |
Wyoming -- Lincoln County -- Fossil Butte National Monument |
| FRDE |
District of Columbia -- Washington -- Franklin Delano Roosevelt Memorial |
| FRDO |
District of Columbia -- Washington -- Frederick Douglass National
Historic Site |
| FRLA |
Massachusetts -- Norfolk County -- Frederick Law Olmsted National
Historic Site |
| FRSP |
Virginia -- Caroline, Fredericksburg
and Spotsylvania Counties -- Fredericksburg and Spotsylvania National
Military Park |
| FRHI |
Pennsylvania -- Friendship County -- Friendship Hill National Historic
Site |
| GAAR |
Alaska -- Gates of the Arctic National Park and Preserve |
| GATE |
New York (Kings and Richmond
Counties) and New Jersey (Monmouth County) -- Gateway National Recreation
Area |
| GARI |
West Virginia -- Gauley River National Recreation Area |
| GERO |
Indiana -- George Rogers Clark National Historical Park |
| GWMP |
District of Columbia, Maryland and
Virginia -- George Washington Memorial Parkway |
| GEWA |
Virginia -- Westmoreland County --
George Washington Birthplace National Monument |
| GWCA |
Missouri -- Newton County -- George Washington Carver National Monument |
| GETT |
Pennsylvania -- Adams County -- Gettysburg National Military Park |
| GICL |
New Mexico -- Catron County -- Gila Cliff Dwellings National Monument |
| GLAC |
Montana -- Flathead County -- Glacier National Park |
| GLBA |
Alaska -- Juneau County -- Glacier Bay National Park and Preserve |
| GLCA |
Arizona (Coconino County) and Utah
(San Juan County) -- Glen Canyon National Recreation Area |
| GOGA |
California -- San Francisco -- Golden Gate National Recreation Area |
| ALCA |
California -- San Francisco -- Alcatraz Island |
| PRSF |
California -- San Francisco -- Presidio of San Francisco |
| FOPO |
California -- San Francisco -- Fort Point National Historic Site |
| GOSP |
Utah -- Box Elder County -- Golden Spike National Historic Site |
| GOIS |
New York -- New York County -- Governors Island National Monument |
| GRCA |
Arizona -- Coconino County -- Grand Canyon National Park |
| GRPO |
Minnesota -- Cook County -- Grand Portage National Monument |
| GRTE |
Wyoming -- Teton County -- Grand Teton National Park |
| GRKO |
Montana -- Powell County -- Grant-Kohrs Ranch National Historic Site |
| GRBA |
Nevada -- White Pine County -- Great Basin National Park |
| GREG |
New Jersey -- Great Egg Harbor National Wild and Scenic River |
| GRSA |
Colorado -- Alamosa County -- Great
Sand Dunes National Monument and Preserve |
| GRSM |
Tennessee (Blount County) and North
Carolina (Swain County) -- Great Smoky Mountains National Park |
| GRSP |
Virginia -- Green Springs |
| GREE |
Maryland -- Greenbelt Park |
| GUMO |
Texas -- Colberson County -- Guadalupe Mountains National Park |
| GUCO |
North Carolina -- Guilford County -- Guilford Courthouse National
Military Park |
| GUIS |
Florida (Escambia County) and Mississippi -- Gulf Islands National
Seashore |
| HAFO |
Idaho -- Hagerman Fossil Beds National Monument |
| HALE |
Hawaii -- Maui -- Haleakala National Park |
| HAMP |
Maryland -- Baltimore County -- Hampton National Historic Site |
| HAFE |
West Virginia (Jefferson County),
Virginia (Loudoun County) and Maryland (Washington County) -- Harpers Ferry
National Historical Park |
| HSTR |
Missouri -- Jackson County -- Harry S. Truman National Historic Site |
| HAVO |
Hawaii -- Hawaii (Big Island of) -- Hawaii Volcanoes National Park |
| HEHO |
Iowa -- Cedar County -- Herbert Hoover National Historic Site |
| PIMA |
Arizona -- Hohokam Pima National Monument |
| HOFR |
New York -- Dutchess County -- Home
of Franklin D. Roosevelt National Historic Site |
| HOME |
Nebraska -- Gage County -- Homestead National Monument of America |
| HOCU |
Ohio -- Ross County -- Hopewell Culture National Historical Park |
| HOFU |
Pennsylvania -- Berks and Chester
Counties -- Hopewell Furnace National Historic Site |
| HOBE |
Alabama -- Tallapoosa County -- Horseshoe Bend National Military Park |
| HOSP |
Arkansas -- Garland County -- Hot Springs National Park |
| HOVE |
Colorado (Montezuma County) and Utah -- Hovenweep National Monument |
| HUTR |
Arizona -- Apache County -- Hubbell Trading Post National Historic Site |
| IATR |
Wisconsin -- Ice Age National Scenic Trail |
| ILMI |
Illinois -- Illinois and Michigan Canal National Heritage Corridor |
| INDE |
Pennsylvania -- Philadelphia -- Independence National Historical Park |
| INDU |
Indiana -- Porter County -- Indiana Dunes National Lakeshore |
| INUP |
Alaska -- Barrow -- Inupiat Heritage Center |
| ISRO |
Michigan -- Houghton County -- Isle Royale National Park |
| JAGA |
Ohio -- Lake County -- James A. Garfield National Historic Site |
| JELA |
Louisiana -- Jefferson, Lafourche ,
Orleans and St. Bernard Parish Counties -- Jean Lafitte National Historical
Park and Preserve |
| JEFF |
Missouri (St. Louis) -- Jefferson National Expansion Memorial |
| JECA |
South Dakota -- Jewel Cave National Monument |
| JICA |
Georgia -- Sumter County -- Jimmy Carter National Historic Site |
| JODR |
Wyoming -- John D. Rockefeller, Jr., Memorial Parkway |
| JODA |
Oregon -- Grant County -- John Day Fossil Beds National Monument |
| JOFI |
Massachusetts -- Norfolk County -- John Fitzgerald Kennedy National
Historic Site |
| JOMU |
California -- Contra Costa County -- John Muir National Historic Site |
| JOFL |
Pennsylvania -- Cambria County -- Johnstown Flood National Memorial |
| JOTR |
California -- Riverside and San Bernardino Counties -- Joshua Tree
National Park |
| JUBA |
Arizona and California -- Juan Bautista de Anza National Historic Trail |
| KALA |
Hawaii -- Molokai -- Kalaupapa National Historical Park |
| KAHO |
Hawaii -- Hawaii (Big Island of) -- Kaloko-Honokohau National Historical
Park |
| KATM |
Alaska -- Bristol Bay Borough Division -- Katmai National Park and
Preserve |
| KEFJ |
Alaska -- Kenai Peninsula -- Kenai Fjords National Park |
| KEMO |
Georgia -- Cobb County -- Kennesaw Mountain National Battlefield Park |
| KEWE |
Michigan -- Houghton County -- Keweenaw National Historical Park |
| KIMO |
South Carolina -- Cherokee and York
Counties -- Kings Mountain National Military Park |
| KLGO |
Alaska and Washington --
Skagway-Yakutat-Angoon -- Klondike Gold Rush National Historical Park |
| KLSE |
Washington -- Seattle -- Klondike Gold Rush - Seattle Unit National
Historical Park |
| KNRI |
North Dakota -- Knife River Indian Villages National Historic Site |
| KOVA |
Alaska -- Kobuk Valley National Park |
| LACH |
Washington -- Chelan County -- Lake Chelan National Recreation Area |
| LACL |
Alaska -- Bristol Bay County -- Lake Clark National Park and Preserve |
| LAME |
Nevada (Clark County) and Arizona
(Mojave County) -- Lake Mead National Recreation Area |
| LAMR |
Texas -- Potter County -- Lake Meredith National Recreation Area |
| LARO |
Washington -- Lincoln County -- Lake Roosevelt National Recreation Area |
| LAVO |
California -- Plumas, Shasta and
Tehama Counties -- Lassen Volcanic National Park |
| LABE |
California -- Siskiyou County -- Lava Beds National Monument |
| LECL |
United States -- Midwest and West -- Lewis and Clark National Historic
Trail |
| LEWI |
Oregon and Washington -- Lewis and Clark National Historical Park |
| LIBO |
Indiana -- Spencer County -- Lincoln Boyhood National Memorial |
| LIHO |
Illinois -- Sangamon County --
Lincoln Home National Historic Site |
| LIBI |
Montana -- Big Horn County -- Little Bighorn Battlefield National
Monument |
| LIRI |
Alabama -- Little River Canyon National Preserve |
| LONG |
Massachusetts -- Middlesex County -- Longfellow National Historic Site |
| LOWE |
Massachusetts -- Middlesex County -- Lowell National Historical Park |
| LOEA |
New York -- Manhattan -- Lower East
Side Tenement Museum National Historic Site |
| LYJO |
Texas -- Blanco and Gillespie
Counties -- Lyndon B. Johnson National Historical Park |
| LYBA |
District of Columbia --Washington --
Lyndon Baines Johnson Memorial Grove on the Potomac |
| MAWA |
Virginia -- Richmond -- Maggie L. Walker National Historic Site |
| MAAC |
Maine -- St. John Valley -- Maine Acadian Culture |
| MACA |
Kentucky -- Edmonson County -- Mammoth Cave National Park |
| MANA |
Virginia -- Prince William County -- Manassas National Battlefield Park |
| MASI |
New York -- New York -- Manhattan Sites |
| FEHA |
New York -- New York -- Manhattan Sites |
| CACL |
New
York -- New York -- Manhattan -- Castle Clinton National Monument |
| THRB |
New York -- New York -- Manhattan --
Theodore Roosevelt Birthplace National Historic Site |
| GEGR |
New York -- New York -- Manhattan -- General Grant National Memorial |
| HAGR |
New York -- New York -- Manhattan -- Hamilton Grange National Memorial |
| SAPA |
New York -- Mount Vernon -- Saint Paul's Church National Historic Site |
| MANZ |
California -- Inyo County --
Manzanar National Historic Site |
| MABI |
Vermont -- Windsor County -- Marsh -
Billings - Rockefeller National Historical Park |
| MALU |
Georgia -- Fulton County -- Martin Luther King Jr. National Historic Site |
| MAVA |
New York -- Columbia County -- Martin Van Buren National Historic Site |
| MEVE |
Colorado -- Montezuma County -- Mesa Verde National Park |
| MIIN |
Idaho -- Minidoka Internment National Monument |
| MIMA |
Massachusetts -- Middlesex County -- Minute Man National Historical Park |
| MIMI |
South Dakota -- Jackson and
Pennington Counties -- Minuteman Missile National Historic Site |
| MISS |
Minnesota -- Mississippi National River and Recreation Area |
| MNRR |
Nebraska and South Dakota -- Missouri National Recreational River |
| MOJA |
California -- San Berardino County -- Mojave National Preserve |
| MONO |
Maryland -- Frederick County -- Monocacy National Battlefield |
| MOCA |
Arizona -- Yavapai County -- Montezuma Castle National Monument |
| MOCR |
North Carolina -- Pender County -- Moores Creek National Battlefield |
| MOPI |
Iowa, Illinois, Nebraska, Utah,Wyoming -- Mormon Pioneer National Historic Trail |
| MORR |
New Jersey -- Morris County -- Morristown National Historical Park |
| MORA |
Washington -- Pierce County -- Mount Rainier National Park |
| MORU |
South Dakota -- Pennington County -- Mount Rushmore National Memorial |
| MUWO |
California -- Marin County -- Muir Woods National Monument |
| NATC |
Mississippi -- Adams County -- Natchez National Historical Park |
| NATR |
Mississippi (Colbert and Lauderdale
Counties) and Tennessee (Hickman County) -- Natchez Trace Parkway |
| NATR |
Mississippi and Tennessee -- Natchez Trace National Scenic Trail |
| NACC |
District of Columbia -- Washington -- National Capital Parks - Central |
| LINC |
District of Columbia -- Washington -- Lincoln Memorial |
| VIVE |
District of Columbia -- Washington -- Vietnam Veterans Memorial |
| FOTH |
District of Columbia -- Washington -- Ford's Theatre National Historic
Site |
| KOWA |
District of Columbia -- Washington -- Korean War Veterans Memorial |
| THJE |
District of Columbia -- Washington -- Thomas Jefferson Memorial |
| FRDE |
District of Columbia -- Washington -- Franklin Delano Roosevelt Memorial |
| OPOT |
District of Columbia -- Washington -- Old Post Office Tower |
| NWWM |
District of Columbia -- Washington
-- National Mall -- National World War II Memorial |
| NAMA |
District of Columbia -- Washington -- National Mall |
| JOER | District
of Columbia -- Washington -- National Mall -- John Ericsson National Memorial
|
| AFAM |
District of Columbia -- Washington -- African American Civil War Memorial |
| GEMM |
District of Columbia -- Washington
-- East Potomac Park -- George Mason Memorial |
| NACE |
District of Columbia -- Washington -- National Capital Parks - East |
| FRDO |
District of Columbia -- Washington -- Frederick Douglass National
Historic Site |
| ANAC |
District of Columbia -- Washington -- Anacostia Park |
| BAWA |
District of Columbia and Maryland -- Baltimore-Washington Parkway |
| MABE |
District of Columbia -- Washington
-- Mary McLeod Bethune Council House National Historic Site |
| KEPA |
District
of Columbia -- Washington -- Kenilworth Park and Aquatic Gardens |
| FOWA |
Maryland -- Fort Washington -- Fort Washington Park |
| GREE |
Maryland -- Greenbelt County -- Greenbelt Park |
| HAHA |
Maryland -- Prince George's County -- Harmony Hall |
| OXHI |
Maryland -- Oxon Hill -- Oxon Cove Park and Oxon Hill Farm |
| PISC |
Maryland -- Charles County -- Piscataway Park |
| SEBE |
District of Columbia -- Washington -- National Capital Parks - East |
| SUIT |
Maryland -- Prince Georges County -- Suitland Parkway |
| FODU |
District of Columbia -- Washington -- Fort Dupont Park |
| NPSA |
American Samoa -- National Park of American Samoa |
| NPNH |
New Jersey and New York -- National Parks of New York Harbor |
| NABR |
Utah -- San Juan County -- Natural Bridges National Monument |
| NAVA |
Arizona -- Navajo County -- Navajo National Monument |
| NEBE |
Massachusetts -- Bristol County -- New Bedford Whaling National
Historical Park |
| NEJE |
New Jersey Coastal Heritage Trail Route |
| JAZZ |
Louisiana -- New Orleans -- New Orleans Jazz National Historical Park |
| NERI |
West Virginia -- Fayette County -- New River Gorge National River |
| NEPE |
Idaho -- Clearwater, Idaho, Nez
Perce and Shashoni Counties -- Nez Perce National Historical Park |
| NICO |
Kansas -- Graham County -- Nicodemus National Historic Site |
| NISI |
South Carolina -- Greenwood County -- Ninety Six National Historic Site |
| NIOB |
Nebraska and South Dakota -- Niobrara National Scenic River |
| NOAT |
Alaska -- Nome County -- Noatak National Preserve |
| NOCA |
Washington -- Chelan and Skagit Counties -- North Cascades National Park |
| NOCO |
New York, Pennsylvania, Ohio,
Michigan, Wisconsin, Minnesota, and North Dakota -- North Country National
Scenic Trail |
| OBRI |
Tennessee -- Obed Wild and Scenic River |
| OCMU |
Georgia -- Bibb County -- Ocmulgee National Monument |
| OKCI |
Oklahoma -- Oklahoma City National Memorial |
| OLSP |
Arizona, California, Colorado,
Nevada, New Mexico and Utah -- Old Spanish National Historic Trail |
| OLYM |
Washington -- Clallum County -- Olympic National Park |
| ORCA |
Oregon -- Jospehine County -- Oregon Caves National Monument |
| OREG |
Idaho, Kansas, Missouri, Nebraska,
Oregon and Wyoming -- Oregon National Historic Trail |
| ORPI |
Arizona -- Pima County -- Organ Pipe Cactus National Monument |
| OVVI |
North Carolina, South Carolina,
Tennessee and Virginia -- Overmountain Victory National Historic Trail |
| OZAR |
Missouri -- Carter, Dent and Shannon Counties -- Ozark National Scenic
Riverways |
| PAIS |
Texas -- Nueces County -- Padre Island National Seashore |
| PAAL |
Texas -- Palo Alto Battlefield National Historic Site |
| PARA |
Arizona -- Northern Arizona -- Parashant National Monument |
| PERI |
Arkansas -- Benton County -- Pea Ridge National Military Park |
| PECO |
New Mexico -- San Miguel County -- Pecos National Historical Park |
| PAAV |
District of Columbia -- Washington -- Pennsylvania Avenue National
Historic Site |
| PEVI |
Ohio -- Ottawa County -- Perry's Victory and International Peace Memorial |
| PETE |
Virginia -- Dinwiddie, Petersburg,
and Prince George Counties -- Petersburg National Battlefield |
| PEFO |
Arizona -- Apache County -- Petrified Forest National Park |
| PETR |
New Mexico -- Bernalillo County -- Petroglyph National Monument |
| PIRO |
Michigan -- Alger County -- Pictured Rocks National Lakeshore |
| PINN |
California -- San Benito County -- Pinnacles National Monument |
| PISP |
Arizona -- Mojave County -- Pipe Spring National Monument |
| PIPE |
Minnesota -- Pipestone County -- Pipestone National Monument |
| PORE |
California -- Marin County -- Point Reyes National Seashore |
| POEX |
California, Colorado, Kansas,
Missouri, Neraska, Nevada, Utah and Wyoming -- Pony Express National Historic
Trail |
| POCH |
California -- Concord Naval Weapons
Station -- Port Chicago Naval Magazine National Memorial |
| POHE |
Virginia and Pennsylvania -- Potomac Heritage National Scenic Trail |
| POPO |
Louisiana -- Poverty Point National Monument |
| WHHO |
District of Columbia -- Washington -- President's Park (White House) |
| PRWI |
Virginia -- Prince William County -- Prince William Forest Park |
| PUHO |
Hawaii -- Hawaii (Big Island of) -- Pu'uhonua o Honaunau National
Historical Park |
| PUHE |
Hawaii -- Hawaii (Big Island of) -- Puukohola Heiau National Historic
Site |
| QUSH |
Connecticut -- Quinebaug and Shetucket Rivers Valley National Heritage
Corridor |
| RABR |
Utah -- Rainbow Bridge National Monument |
| REDW |
California -- Del Norte and Humboldt
Counties -- Redwood National and State Parks |
| RICH |
Virginia -- Chesterfield, Hanover
and Henrico Counties -- Richmond National Battlefield Park |
| RIGR |
Texas -- Rio Grande Wild and Scenic River |
| ROCR |
Maryland -- Washington County -- Rock Creek Park |
| ROMO |
Colorado -- Boulder, Grand and Larimer Counties -- Rocky Mountain
National Park |
| ROWI |
Rhode Island -- Providence County -- Roger Williams National Memorial |
| ROCA |
Maine -- Roosevelt Campobello International Park |
| RORI |
California -- Rosie the Riveter/World War II Home Front National
Historical Park |
| ROLA |
Washington -- Whatcom County -- Ross Lake National Recreation Area |
| RUCA |
Alabama -- Jackson County -- Russell Cave National Monument |
| SAHI |
New York -- Nassau County -- Sagamore Hill National Historic Site |
| SAGU |
Arizona -- Pima County -- Saguaro National Park |
| SACN |
Minnesota and Wisconsin -- Saint Croix National Scenic River |
| SACR |
Maine -- Washington County -- Saint Croix Island International Historic
Site |
| SAGA |
New Hampshire -- Sullivan County -- Saint-Gaudens National Historic Site |
| SAMA |
Massachusetts -- Essex County -- Salem Maritime National Historic Site |
| SAPU |
New Mexico -- Socorro and Torrance
Counties -- Salinas Pueblo Missions National Monument |
| SARI |
Virgin Islands -- St. Croix -- Salt
River Bay National Historic Park and Ecological Preserve |
| SAAN |
Texas -- Bexar County -- San Antonio Missions National Historical Park |
| SAFR |
California -- San Francisco Maritime National Historical Park |
| SAJU |
Puerto Rico -- San Juan -- San Juan National Historic Site |
| SAJH |
Washington -- San Juan County -- San Juan Island National Historical Park |
| SAND |
Colorado - Kiowa County -- Sand Creek Massacre National Historic Site |
| SAFE |
Colorado, Kansas, Missouri, New
Mexico and Oklahoma -- Santa Fe National Historic Trail |
| SAMO |
California -- Los Angeles County --
Santa Monica Mountains National Recreation Area |
| SARA |
New York -- Saratoga County -- Saratoga National Historical Park |
| SAIR |
Massachusetts -- Essex County -- Saugus Iron Works National Historic Site |
| SCBL |
Nebraska -- Scotts Bluff County -- Scotts Bluff National Monument |
| SEMO |
Alabama -- Selma to Montgomery National Historic Trail |
| SEKI |
California -- Tulare and Fresno
Counties -- Sequoia and Kings Canyon National Parks |
| SHEN |
Virginia -- Greene, Madison, Page,
Rappahannock, Rockville and Warren Counties -- Shenandoah National Park |
| SHIL |
Tennessee -- Hardin County -- Shiloh National Military Park |
| SITK |
Alaska -- Sitka Division -- Sitka National Historical Park |
| SLBE |
Michigan -- Benzi and Leelanau
Counties -- Sleeping Bear Dunes National Lakeshore |
| SPAR |
Massachusetts -- Hampden County -- Springfield Armory National Historic
Site |
| STLI |
New York (New York County) and New
Jersey (Essex County) -- Statue of Liberty National Monument |
| STEA |
Pennsylvania -- Lackawanna County -- Steamtown National Historic Site |
| STRI |
Tennessee -- Rutherford County -- Stones River National Battlefield |
| SUCR |
Arizona -- Coconino County -- Sunset Crater Volcano National Monument |
| TAPR |
Kansas -- Chase County -- Tallgrass Prairie National Preserve |
| THKO |
Pennsylvania -- Philadelphia -- Thaddeus Kosciuszko National Memorial |
| THRO |
North Dakota -- Billings County -- Theodore Roosevelt National Park |
| THRI |
New York -- Erie County -- Theodore Roosevelt Inaugural National Historic
Site |
| THST |
Maryland -- Charles County -- Thomas Stone National Historic Site |
| TICA |
Utah -- Utah County -- Timpanogos Cave National Monument |
| TIMU |
Florida -- Duval County -- Timucuan Ecological and Historic National
Preserve |
| TONT |
Arizona -- Gila County -- Tonto National Monument |
| TOSY |
Rhode Island -- Newport -- Touro Synagogue National Historic Site |
| TUMA |
Arizona -- Santa Cruz County -- Tumacacori National Historical Park |
| TUPE |
Mississippi -- Lee County -- Tupelo National Battlefield |
| TUAI |
Alabama -- Macon County -- Tuskegee Airmen National Historic Site |
| TUIN |
Alabama -- Macon County -- Tuskegee Institute National Historic Site |
| TUZI |
Arizona -- Yavapai County -- Tuzigoot National Monument |
| ULSG |
Missouri -- St. Louis County -- Ulysses S. Grant National Historic Site |
| UPDE |
New York and Pennsylvania (Pike
County) -- Upper Delaware Scenic and Recreational River |
| USAR |
Hawaii -- Oahu -- Honolulu -- USS Arizona Memorial |
| VAFO |
Pennsylvania -- Chester County -- Valley Forge National Historical Park |
| VAMA |
New York -- Dutchess County -- Hyde
Park -- Vanderbilt Mansion National Historic Site |
| VICK |
Mississippi -- Warren County -- Vicksburg National Military Park |
| VIIS |
Virgin Islands -- St. John -- Virgin Islands National Park |
| VICR |
Virgin Islands -- St. John vicinity -- Virgin Islands Coral Reef National
Monument |
| VOYA |
Minnesota -- St. Louis County -- Voyageurs National Park |
| WACA |
Arizona -- Coconino County -- Walnut Canyon National Monument |
| WAPA |
Guam -- War in the Pacific National Historical Park |
| WABA |
Oklahoma -- Washita Battlefield National Historic Site |
| WEFA |
Connecticut -- Fairfield County -- Weir Farm National Historic Site |
| WHIS |
California -- Shasta County -- Whiskeytown National Recreation Area |
| WHSA |
New Mexico -- Otero County -- White Sands National Monument |
| WHMI |
Washington -- Walla Walla County -- Whitman Mission National Historic
Site |
| WIHO |
Ohio -- Cincinnati -- William Howard Taft National Historic Site |
| WICR |
Missouri -- Greene County -- Wilson's Creek National Battlefield |
| WICA |
South Dakota -- Custer County -- Wind Cave National Park |
| WOTR |
Virginia -- Wolf Trap National Park for the Performing Arts |
| WORI |
New York -- Seneca County -- Women's Rights National Historical Park |
| WRST |
Alaska -- Valdez-Cordova area -- Wrangell - St. Elias National Park and
Preserve |
| WRBR |
North Carolina -- Dare County -- Kill Devil Hill -- Wright Brothers
National Memorial |
| WUPA |
Arizona -- Coconino County -- Wupatki National Monument |
| YELL |
Wyoming, Montana and Idaho -- Yellowstone National Park |
| YOSE |
California -- Mariposa County -- Yosemite National Park |
| YUHO |
Colorado -- Montezuma County -- Yucca House National Monument |
| YUCH |
Alaska -- Yukon - Charley Rivers National Preserve |
| ZION |
Utah -- Kane and Washington Counties -- Zion National Park |
