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| Denali - Alaska |
| Glacier Bay - Alaska |
| Katmai - Alaska |
| Grand Canyon - Arizona |
| Petrified Forest - Arizona |
| Death Valley - California |
| Lassen - California |
| Sequoia - California |
| Yosemite - California |
| Mesa Verde - Colorado |
| Rocky Mountain - Colorado |
| Haleakala - Hawaii |
| Hawaii Volcanoes - Hawaii |
| Glacier - Montana |
| Carlsbad Caverns - New Mexico |
| Crater Lake - Oregon |
| Arches - Utah |
| Bryce - Utah |
| Zion - Utah |
| Mt. Rainier - Washington |
| North Cascades - Washington |
| Olympic - Washington |
| Grand Teton - Wyoming |
| Yellowstone - Wyoming |
| Badlands - South Dakota |