2013 | 16 | New Hampshire | White Mountain National Forest |  | Mount Chocorua with birch trees in the foreground | January 28, 2013
(May 16, 1918) | 107,600,000 | 68,800,000 | — | 176,400,000 |
| 17 | Ohio | Perry's Victory and International Peace Memorial |  | The statue of Oliver Hazard Perry and the International Peace Memorial column | April 1, 2013
(March 3, 1919) | 131,600,000 | 107,800,000 | — | 239,400,000 |
| 18 | Nevada | Great Basin National Park |  | A bristlecone pine -------------------------------------- Great Basin | June 10, 2013
(January 24, 1922) | 141,400,000 | 122,400,000 | — | 263,800,000 |
| 19 | Maryland | Fort McHenry National Monument |  | Fort McHenry under bombardment | August 26, 2013
(March 3, 1925) | 151,400,000 | 120,000,000 | — | 271,400,000 |
| 20 | South Dakota | Mount Rushmore National Memorial |  | Workers carving the Mount Rushmore National Memorial | November 4, 2013
(March 3, 1925) | 272,400,000 | 231,800,000 | — | 504,200,000 |