| Date | National Park | % Correct | |
|---|---|---|---|
| March 1, 1872 | Y | Yellowstone | 100%
|
| October 1, 1890 | Y | Yosemite | 89%
|
| November 12, 1971 | A | Arches | 78%
|
| February 26, 1919 | A | Acadia | 67%
|
| November 10, 1978 | B | Badlands | 67%
|
| February 26, 1917 | D | Denali | 67%
|
| May 30, 1934 | E | Everglades | 67%
|
| February 26, 1919 | G | Grand Canyon | 67%
|
| June 15, 1934 | G | Great Smoky Mountains | 67%
|
| October 31, 1994 | J | Joshua Tree | 67%
|
| December 27, 2020 | N | New River Gorge | 67%
|
| November 10, 1978 | T | Theodore Roosevelt | 67%
|
| December 20, 2019 | W | White Sands | 67%
|
| November 19, 1919 | Z | Zion | 67%
|
| June 12, 1944 | B | Big Bend | 56%
|
| February 22, 2018 | G | Gateway Arch | 56%
|
| May 11, 1910 | G | Glacier | 56%
|
| August 1, 1916 | H | Hawaii Volcanoes | 56%
|
| July 1, 1941 | M | Mammoth Cave | 56%
|
| March 2, 1899 | M | Mount Rainier | 56%
|
| June 29, 1938 | O | Olympic | 56%
|
| December 9, 1962 | P | Petrified Forest | 56%
|
| October 2, 1968 | R | Redwood | 56%
|
| September 25, 1890 | S | Sequoia | 56%
|
| December 26, 1935 | S | Shenandoah | 56%
|
| June 28, 1980 | B | Biscayne | 44%
|
| October 21, 1999 | B | Black Canyon of the Gunnison | 44%
|
| February 25, 1928 | B | Bryce Canyon | 44%
|
| May 14, 1930 | C | Carlsbad Caverns | 44%
|
| May 22, 1902 | C | Crater Lake | 44%
|
| October 11, 2000 | C | Cuyahoga Valley | 44%
|
| October 31, 1994 | D | Death Valley | 44%
|
| October 26, 1992 | D | Dry Tortugas | 44%
|
| December 2, 1980 | G | Glacier Bay | 44%
|
| October 27, 1986 | G | Great Basin | 44%
|
| September 24, 2004 | G | Great Sand Dunes | 44%
|
| September 30, 1972 | G | Guadalupe Mountains | 44%
|
| July 1, 1961 | H | Haleakala | 44%
|
| March 4, 1921 | H | Hot Springs | 44%
|
| February 15, 2019 | I | Indiana Dunes | 44%
|
| April 3, 1940 | I | Isle Royale | 44%
|
| December 2, 1980 | K | Katmai | 44%
|
| December 2, 1980 | K | Kenai Fjords | 44%
|
| March 4, 1940 | K | Kings Canyon | 44%
|
| August 9, 1916 | L | Lassen Volcanic | 44%
|
| June 29, 1906 | M | Mesa Verde | 44%
|
| January 26, 1915 | R | Rocky Mountain | 44%
|
| April 8, 1975 | V | Voyageurs | 44%
|
| January 9, 1903 | W | Wind Cave | 44%
|
| December 2, 1980 | W | Wrangell-St. Elias | 44%
|
| September 12, 1964 | C | Canyonlands | 33%
|
| December 18, 1971 | C | Capitol Reef | 33%
|
| November 10, 2003 | C | Congaree | 33%
|
| December 2, 1980 | G | Gates of the Arctic | 33%
|
| December 2, 1980 | K | Kobuk Valley | 33%
|
| December 2, 1980 | L | Lake Clark | 33%
|
| October 31, 1988 | N | National Park of American Samoa | 33%
|
| October 2, 1968 | N | North Cascades | 33%
|
| January 10, 2013 | P | Pinnacles | 33%
|
| October 14, 1994 | S | Saguaro | 33%
|
| August 2, 1956 | V | Virgin Islands National Park | 33%
|
| March 5, 1980 | C | Channel Islands | 22%
|
| February 26, 1929 | G | Grand Teton | 22%
|