U.S. Geography – National Parks
| National Park | State | Acres |
| Acadia | Maine | 46,148 |
| Arches | Utah | 76,353 |
| Badlands | South Dakota | 232,822 |
| Big Bend | Texas | 775,279 |
| Biscayne | Florida | 170,955 |
| Black Canyon of the Gunnison | Colorado | 30,750 |
| Bryce Canyon | Utah | 35,832 |
| Canyonlands | Utah | 337,570 |
| Capital Reef | Utah | 241,234 |
| Carlsbad Caverns | New Mexico | 46,427 |
| Channel Islands | California | 79,018 |
| Crater Lake | Oregon | 183,223 |
| Cuyahoga Valley | Ohio | 19,559 |
| Death Valley | California - Nevada | 3,323,771 |
| Denali | Alaska | 4,724,790 |
| Dry Tortugas | Florida | 61,481 |
| Everglades | Florida | 1,398,657 |
| Gates of the Arctic | Alaska | 7,266,262 |
| Glacier Bay | Alaska | 3,223,018 |
| Glacier | Montana | 1,013,154 |
| Grand Canyon | Arizona | 1,180,862 |
| Grand Teton | Wyoming | 307,690 |
| Great Basin | Nevada | 77,180 |
| Great Smoky Mountains | Tennessee - North Carolina | 521,122 |
| Guadalup Mountains | Texas | 86,189 |
| Haleakala | Hawaii | 29,110 |
| Hawaii Volcanoes | Hawaii | 323,431 |
| Hot Springs | Arkansas | 4,932 |
| Isle Royale | Michigan | 539,281 |
| Joshua Tree | California | 769,175 |
| Katmai | Alaska | 405,432 |
| Kenai Fjords | Alaska | 601,839 |
| Kings Canyon | California | 461,845 |
| Kobuk Valley | Alaska | 1,669,912 |
| Lake Clark | Alaska | 2,226,807 |
| Lassen Volcanic | California | 106,368 |
| Mammoth Cave | Kentucky | 52,003 |
| Mesa Verde | Colorado | 51,890 |
| Mount Rainier | Washington | 235,625 |
| North Cascades | Washington | 504,633 |
| Olympic | Washington | 913,531 |
| Petrified Forest | Arizona | 93,532 |
| Redwood | California | 77,726 |
| Rocky Mountain | Colorado | 265,461 |
| Saguaro | Arizona | 87,526 |
| Sequoia | California | 403,875 |
| Shenandoah | Virginia | 198,250 |
| Theodore Roosevelt | North Dakota | 69,702 |
| Virgin Island | U.S. Virgin Islands | 12,916 |
| Voyageurs | Minnesota | 133,121 |
| Wind Cave | South Dakota | 28,295 |
| Wrangell-St. Elias | Alaska | 7,662,705 |
| Yellowstone | Montana - Wyoming | 2,219,789 |
| Yosemite | California | 759,530 |
| Zion | Utah | 143,073 |
