| Etats | Superficie | Réponse | % Correct |
|---|---|---|---|
| Wyoming/Montana/Idaho | 9 000 km² | Yellowstone | 94%
|
| Arizona | 4 927 km² | Grand Canyon | 88%
|
| Californie | 3 081 km² | Yosemite | 76%
|
| Californie/Nevada | 13 650 km² | Vallée de la Mort /Death Valley | 59%
|
| Floride | 6 106 km² | Everglades | 41%
|
| Californie | 1 635 km² | Sequoia | 35%
|
| Montana | 4 103 km² | Glacier | 24%
|
| Californie | 3 218 km² | Joshua Tree | 12%
|
| Washington | 3 735 km² | Olympic | 6%
|
| Utah | 1 366 km² | Canyonlands | 0%
|