| State | National Park | Visited |
| Alaska | Denali | 2016 |
| Gates of the Arctic | ||
| Glacier Bay | 2016 | |
| Katmai | ||
| Kenai Fjords | 2016 | |
| Kobuk Valley | ||
| Lake Clark | ||
| Wrangell – St. Elias | ||
| American Samoa | American Samoa | |
| Arizona | Grand Canyon | |
| Petrified Forest | ||
| Saguaro | ||
| Arkansas | Hot Springs | |
| California | Channel Islands | |
| Death Valley | ||
| Joshua Tree | ||
| Kings Canyon | ||
| Lassen Volcanic | ||
| Redwood | ||
| Sequoia | 1980 | |
| Yosemite | 1980 | |
| Colorado | Black Canyon of the Gunnison | |
| Great Sand Dunes | ||
| Mesa Verde | ||
| Rocky Mountain | ||
| Florida | Biscayne | |
| Dry Tortugas | ||
| Everglades | 1979 | |
| Hawaii | Haleakala | |
| Hawaii Volcanoes | 1986 | |
| Idaho | Yellowstone | |
| Kentucky | Mammoth Cave | |
| Maine | Acadia | |
| Michigan | Isle Royale | |
| Minnesota | Voyageurs | |
| Montana | Glacier | |
| Nevada | Great Basin | |
| New Mexico | Carlsbad Caverns | |
| North Carolina | Great Smoky Mountains | |
| North Dakota | Theodore Roosevelt | |
| Ohio | Cuyahoga Valley | |
| Oregon | Crater Lake | |
| South Carolina | Congaree | |
| South Dakota | Badlands | |
| Wind Cave | ||
| Tennessee | Great Smoky Mountains | |
| Texas | Big Bend | |
| Guadalupe Mountains | ||
| U.S. Virgin Islands | Virgin Islands | |
| Utah | Arches | |
| Bryce Canyon | ||
| Capitol Reef | ||
| Canyonlands | ||
| Zion | ||
| Virginia | Shenandoah | |
| Washington | Mount Rainier | |
| North Cascades | ||
| Olympic | ||
| Wyoming | Grand Teton | 2008 |
| Yellowstone | 2008 |
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