| Name | Location | Date Established | Area |
|---|---|---|---|
| Acadia National Park | Maine | February 26, 1919 | 47,389.67 acres / (191.8 km2) |
| American Samoa National Park | American Samoa | October 31, 1988 | 9,000.00 acres / (36.4 km2) |
| Arches National Park | Utah | November 12, 1971 | 76,518.98 acres / (309.7 km2) |
| Badlands National Park | South Dakota | November 10, 1978 | 242,755.94 acres / (982.4 km2) |
| Big Bend National Park | Texas | June 12, 1944 | 801,163.21 acres / (3,242.2 km2) |
| Biscayne National Park | Florida | June 28, 1980 | 172,924.07 acres / (699.8 km2) |
| Black Canyon of the Gunnison National Park | Colorado | October 21, 1999 | 32,950.03 acres / (133.3 km2) |
| Bryce Canyon National Park | Utah | February 25, 1928 | 35,835.08 acres / (145.0 km2) |
| Canyonlands National Park | Utah | September 12, 1964 | 337,597.83 acres / (1,366.2 km2) |
| Capitol Reef National Park | Utah | December 18, 1971 | 241,904.26 acres / (979.0 km2) |
| Carlsbad Caverns National Park | New Mexico | May 14, 1930 | 46,766.45 acres / (189.3 km2) |
| Channel Islands National Park | California | March 5, 1980 | 249,561.00 acres / (1,009.9 km2) |
| Congaree National Park | South Carolina | November 10, 2003 | 26,545.86 acres / (107.4 km2) |
| Crater Lake | Oregon | May 22, 1902 | 183,224.05 acres / (741.5 km2) |
| Cuyahoga Valley National Park | Ohio | October 11, 2000 | 32,860.73 acres / (133.0 km2) |
| Death Valley National Park | California & Nevada | October 31, 1994 | 3,372,401.96 acres / (13,647.6 km2) |
| Denali National Park and Preserve | Alaska | February 26, 1917 | 4,740,911.72 acres / (19,185.8 km2) |
| Dry Tortugas National Park | Florida | October 26, 1992 | 64,701.22 acres / (261.8 km2) |
| Everglades National Park | Florida | May 30, 1934 | 1,508,537.90 acres / (6,104.8 km2) |
| Gates of the Arctic National Park and Preserve | Alaska | December 2, 1980 | 7,523,897.74 acres / (30,448.1 km2) |
| Glacier National Park | Montana | May 11, 1910 | 1,013,572.41 acres / (4,101.8 km2) |
| Glacier Bay National Park and Preserve | Alaska | December 2, 1980 | 3,224,840.31 acres / (13,050.5 km2) |
| Grand Canyon National Park | Arizona | February 26, 1919 | 1,217,403.32 acres / (4,926.7 km2) |
| Grand Teton National Park | Wyoming | February 26, 1929 | 309,994.66 acres / (1,254.5 km2) |
| Great Basin National Park | Nevada | October 27, 1986 | 77,180.00 acres / (312.3 km2) |
| Great Sand Dunes National Park and Preserve | Colorado | September 13, 2004 | 42,983.74 acres / (173.9 km2) |
| Great Smoky Mountains National Park | North Carolina & Tennessee | June 15, 1934 | 521,490.13 acres / (2,110.4 km2) |
| Guadalupe Mountains National Park | Texas | October 15, 1966 | 86,415.97 acres / (349.7 km2) |
| Haleakal? National Park | Hawaii | August 1, 1916 | 29,093.67 acres / (117.7 km2) |
| Hawaii Volcanoes National Park | Hawaii | August 1, 1916 | 323,431.38 acres / (1,308.9 km2) |
| Hot Springs National Park | Arkansas | April 20, 1832 | 5,549.75 acres / (22.5 km2) |
| Isle Royale National Park | Michigan | March 3, 1931 | 571,790.11 acres / (2,314.0 km2) |
| Joshua Tree National Park | California | October 31, 1994 | 789,745.47 acres / (3,196.0 km2) |
| Katmai National Park and Preserve | Alaska | December 2, 1980 | 3,674,529.68 acres / (14,870.3 km2) |
| Kenai Fjords National Park | Alaska | December 2, 1980 | 669,982.99 acres / (2,711.3 km2) |
| Kings Canyon National Park | California | March 4, 1940 | 461,901.20 acres / (1,869.2 km2) |
| Kobuk Valley National Park | Alaska | December 2, 1980 | 1,750,716.50 acres / (7,084.9 km2) |
| Lake Clark National Park and Preserve | Alaska | December 2, 1980 | 2,619,733.21 acres / (10,601.7 km2) |
| Lassen Volcanic National Park | California | August 9, 1916 | 106,372.36 acres / (430.5 km2) |
| Mammoth Cave National Park | Kentucky | July 1, 1941 | 52,830.19 acres / (213.8 km2) |
| Mesa Verde National Park | Colorado | June 29, 1906 | 52,121.93 acres / (210.9 km2) |
| Mount Rainier National Park | Washington | March 2, 1899 | 235,625.00 acres / (953.5 km2) |
| North Cascades National Park | Washington | October 2, 1968 | 504,780.94 acres / (2,042.8 km2) |
| Olympic National Park | Washington | June 29, 1938 | 922,650.86 acres / (3,733.8 km2) |
| Petrified Forest National Park | Arizona | December 9, 1962 | 93,532.57 acres / (378.5 km2) |
| Pinnacles National Park | California | January 10, 2013 | 26,605.73 acres / (107.7 km2) |
| Redwood National and State Parks | California | October 2, 1968 | 112,512.05 acres / (455.3 km2) |
| Rocky Mountain National Park | Colorado | January 26, 1915 | 265,828.41 acres / (1,075.8 km2) |
| Saguaro National Park | Arizona | October 14, 1994 | 91,439.71 acres / (370.0 km2) |
| Sequoia National Park | California | September 25, 1890 | 404,051.17 acres / (1,635.1 km2) |
| Shenandoah National Park | Virginia | May 22, 1926 | 199,045.23 acres / (805.5 km2) |
| Theodore Roosevelt National Park | North Dakota | November 10, 1978 | 70,446.89 acres / (285.1 km2) |
| Virgin Islands National Park | United States Virgin Islands | August 2, 1956 | 14,688.87 acres / (59.4 km2) |
| Voyageurs National Park | Minnesota | January 8, 1971 | 218,200.17 acres / (883.0 km2) |
| Wind Cave National Park | South Dakota | January 9, 1903 | 28,295.03 acres / (114.5 km2) |
| Wrangell–St. Elias National Park and Preserve | Alaska | December 2, 1980 | 8,323,147.59 acres / (33,682.6 km2) |
| Yellowstone National Park | Wyoming & Montana & Idaho | March 1, 1872 | 2,219,790.71 acres / (8,983.2 km2) |
| Yosemite National Park | California | October 1, 1890 | 761,266.19 acres / (3,080.7 km2) |
| Zion National Park | Utah | November 19, 1919 | 146,597.60 acres / (593.3 km2) |