| Letter | National Park | % Correct |
|---|---|---|
| G | Gates of the Arctic | Gateway Arch | Glacier | +7 | 90%
|
| Y | Yellowstone | Yosemite | 90%
|
| A | Acadia | Arches | 86%
|
| Z | Zion | 86%
|
| B | Badlands | Big Bend | Biscayne | +2 | 81%
|
| C | Canyonlands | Capitol Reef | Carlsbad Caverns | +4 | 81%
|
| D | Death Valley | Denali | Dry Tortugas | 81%
|
| E | Everglades | 76%
|
| S | Saguaro | Sequoia | Shenandoah | 67%
|
| R | Redwood | Rocky Mountain | 57%
|
| M | Mammoth Cave | Mesa Verde | Mount Rainier | 48%
|
| H | Haleakala | Hawaii Volcanoes | Hot Springs | 43%
|
| I | Indiana Dunes | Isle Royale | 38%
|
| J | Joshua Tree | 38%
|
| K | Katmai | Kenai Fjords | Kings Canyon | +1 | 38%
|
| W | White Sands | Wind Cave | Wrangell-St. Elias | 38%
|
| O | Olympic | 29%
|
| T | Theodore Roosevelt | 29%
|
| L | Lake Clark | Lassen Volcanic | 24%
|
| P | Petrified Forest | Pinnacles | 24%
|
| V | Virgin Islands National Park | Voyageurs | 14%
|
| N | National Park of American Samoa | +2 | 10%
|