Updated August 5, 2020 |
Infoplease Staff
Table of contents
| Name and location | Total acreage |
| African Burial Ground (N.Y.) | n.a. |
| Agate Fossil Beds (Neb.) | 3,055.22 |
| Alibates Flint Quarries (Tex.) | 1,370.97 |
| Aniakchak (Alaska) | 137,176.00 |
| Aztec Ruins (N.M.) | 317.80 |
| Bandelier (N.M.) | 33,676.67 |
| Booker T. Washington (Va.) | 223.92 |
| Buck Island Reef (U.S. V.I.) | 19,015.47 |
| Cabrillo (Calif.) | 159.94 |
| Canyon de Chelly (Ariz.) | 83,840.00 |
| Cape Krusenstern (Alaska) | 649,085.04 |
| Capulin Volcano (N.M.) | 792.84 |
| Casa Grande Ruins (Ariz.) | 472.50 |
| Castillo de San Marcos (Fla.) | 20.21 |
| Castle Clinton (N.Y.) | 1.00 |
| Cedar Breaks (Utah) | 6,154.60 |
| Chiricahua (Ariz.) | 11,984.73 |
| Colorado (Colo.) | 20,533.93 |
| Craters of the Moon (Idaho) | 304,727.05 |
| Devils Postpile (Calif.) | 798.46 |
| Devils Tower (Wyo.) | 1,346.91 |
| Dinosaur (Utah-Colo.) | 210,277.55 |
| Effigy Mounds (Iowa) | 2,526.39 |
| Ellis Island (N.J.-N.Y.) | 27.50 |
| El Malpais (N.M.) | 114,276.95 |
| El Morro (N.M.) | 1,278.72 |
| Florissant Fossil Beds (Colo.) | 5,998.09 |
| Fort Frederica (Ga.) | 241.42 |
| Fort Matanzas (Fla.) | 300.11 |
| Fort McHenry (National Monument and Historic Shrine) (Md.) | 43.26 |
| Fort Pulaski (Ga.) | 5,623.10 |
| Fort Stanwix (N.Y.) | 15.52 |
| Fort Sumter (S.C.) | 199.57 |
| Fort Union (N.M.) | 720.60 |
| Fossil Butte (Wyo.) | 8,198.00 |
| George Washington Birthplace (Va.) | 550.23 |
| George Washington Carver (Mo.) | 210.00 |
| Gila Cliff Dwellings (N.M.) | 533.13 |
| Governor's Island (N.Y.) | 22.78 |
| Grand Portage (Minn.) | 709.97 |
| Great Sand Dunes (Colo.) | 42,272.18 |
| Hagerman Fossil Beds (Idaho) | 4,351.15 |
| Hohokam Pima (Ariz.) | 1,690.00 |
| Homestead (Neb.) | 195.11 |
| Hovenweep (Utah-Colo.) | 784.93 |
| Jewel Cave (S.D.) | 1,273.51 |
| John Day Fossil Beds (Ore.) | 14,056.73 |
| Lava Beds (Calif.) | 46,559.87 |
| Little Bighorn Battlefield (Mont.) | 765.34 |
| Minidoka Internment (Idaho) | 72.75 |
| Montezuma Castle (Ariz.) | 857.69 |
| Muir Woods (Calif.) | 553.55 |
| Natural Bridges (Utah) | 7,636.49 |
| Navajo (Ariz.) | 360.00 |
| Ocmulgee (Ga.) | 701.54 |
| Oregon Caves (Ore.) | 487.98 |
| Organ Pipe Cactus (Ariz.) | 330,688.86 |
| Parashant (Ariz.) | n.a. |
| Petroglyph (N.M.) | 7,231.63 |
| Pinnacles (Calif.) | 17,614.05 |
| Pipe Spring (Ariz.) | 40.00 |
| Pipestone (Minn.) | 281.78 |
| Poverty Point (La.) | 910.85 |
| Rainbow Bridge (Utah) | 160.00 |
| Russell Cave (Ala.) | 310.45 |
| Salinas Pueblo Missions (N.M.) | 1,071.42 |
| Scotts Bluff (Neb.) | 3,004.81 |
| Statue of Liberty (N.Y.-N.J.) | 58.38 |
| Sunset Crater Volcano (Ariz.) | 3,040.00 |
| Timpanogos Cave (Utah) | 250.00 |
| Tonto (Ariz.) | 1,120.00 |
| Tuzigoot (Ariz.) | 800.62 |
| Virgin Islands Coral Reef (V.I.) | 13,892.78 |
| Walnut Canyon (Ariz.) | 3,579.46 |
| White Sands (N.M.) | 143,732.92 |
| Wupatki (Ariz.) | 35,422.13 |
| Yucca House (Colo.) | 33.87 |
| National Historical Parks | The National Park System | National Preserves |
