Updated August 5, 2020 |
Infoplease Staff
Table of contents
| Name and location | Total acreage |
| Aniakchak (Alaska) | 465,603.00 |
| Bering Land Bridge (Alaska) | 2,697,393.11 |
| Big Cypress (Fla.) | 720,565.67 |
| Big Thicket (Tex.) | 97,168.03 |
| Craters of the Moon (Idaho) | 410,000.00 |
| Denali (Alaska) | 1,334,117.99 |
| Gates of the Arctic (Alaska) | 948,607.96 |
| Glacier Bay (Alaska) | 58,406.00 |
| Great Sand Dunes (Colo.) | 41,686.00 |
| Jean Lafitte (La.) | 20,004.90 |
| Katmai (Alaska) | 418,699.22 |
| Lake Clark (Alaska) | 1,410,291.99 |
| Little River Canyon (Ala.) | 13,632.96 |
| Mojave (Calif.) | 1,531,831.60 |
| Noatak (Alaska) | 6,569,904.43 |
| Tallgrass Prairie (Kans.) | 10,894.00 |
| Wrangell-St. Elias (Alaska) | 4,852,753.10 |
| Yukon-Charley Rivers (Alaska) | 2,526,512.31 |
| National Monuments | The National Park System | National Reserves |