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 |