| Visitors (millions) | Park | % Correct |
|---|---|---|
| 4.7 | Yellowstone | 100%
|
| 4.9 | Grand Canyon | 91%
|
| 4.1 | Yosemite | 83%
|
| 4.9 | Zion | 83%
|
| 1.5 | Arches | 78%
|
| 12.2 | Great Smoky Mountains | 78%
|
| 3.2 | Glacier | 70%
|
| 3.0 | Joshua Tree | 65%
|
| 4.0 | Acadia | 61%
|
| 3.6 | Grand Teton | 61%
|
| 4.2 | Rocky Mountain | 61%
|
| 2.5 | Bryce Canyon | 52%
|
| 1.6 | Mount Rainier | 52%
|
| 2.6 | Gateway Arch | 48%
|
| 3.7 | Olympic | 43%
|
| 1.7 | Shenandoah | 39%
|
| 2.9 | Cuyahoga Valley | 35%
|
| 2.7 | Indiana Dunes | 35%
|
| 2.5 | Hot Springs | 26%
|
| 1.8 | New River Gorge | 17%
|