| Acadia National Park | Maine | New England |
| Arches National Park | Utah | Great West |
| Arlington National Cemetery | Washington DC | Mid-Atlantic |
| Assateague Island National Seashore | Maryland | Mid-Atlantic |
| Badlands National Park | South Dakota | Midwest |
| Biscayne National Park | Florida | Southern |
| BigHorn Canyon National Site | Montana | Great West |
| Bryce Canyon National Park | Utah | Great West |
| Bunker Hill National Monument | Massachusetts | New England |
| Cabrillo National Monument | California | Pacific Coastal |
| Canaveral National Seashore | Florida | Southern |
| Canyonlands National Park | Utah | Great West |
| Cape Cod | Massachusetts | New England |
| Casa Grande National Monument | Arizona | Pacific Coastal |
Castillo de San Marcos National Monument
| Florida | Southern |
| Chickamauga National Military Park | Tennessee | Southern |
| Congaree National Park | South Carolina | Southern |
| Cuyahoga National Park | Ohio | Midwest |
| Dayton Aviation National Park | Ohio | Midwest |
| Death Valley National Park | California | Great West |
| Desoto National Memorial | Florida | Southern |
| Devil's Tower National Monument | Wyoming | Great West |
El Junque National Rain Forest
| Puerto Rico | Caribbean |
| Everglades National Park | Florida | Southern |
| Flight 93 National Monument | Pennsylvania | Mid-Atlantic |
| Fort Matanzas National Monument | Florida | Southern |
| Fort McHenry National Monument | Maryland | Mid-Atlantic |
Fort Necessity National Battlefield
| Pennsylvania | Mid-Atlantic |
| Four Corners National Monument | New Mexico | Southwest |
| Gateway Arch National Park | Missouri | Southern |
| Glacier Bay National Park | Alaska | Great West |
Golden Gate Bridge Historic Site
| California | Pacific Coastal |
Golden Spike National Site
| Utah | Great West |
| Grand Canyon National Park | Nevada | Great West |
| Grand Tetons National Park | Wyoming | Great West |
| Great Basin National Park | Nevada | Great West |
| Great Sand Dunes National Park | Colorado | Great West |
| Great Smoky Mountains National Park | Tennessee | Southern |
| Guilford Courthouse National Site | North Carolina | Mid-Atlantic |
| Haleakala National Park | Hawaii | Pacific Coastal |
| Harpers Ferry National Historic Park | West Virginia | Southern |
| Hopewell Culture National Park | Ohio | Midwest |
| Hot Springs National Park | Arkansas | Southern |
| Hoover National Birthplace Site | Iowa | Midwest |
| Huffman Prairie Flying Field | Ohio | Midwest |
| Indiana Dunes National Park | Indiana | Midwest |
| Joshua Tree National Park | California | Pacific Coastal |
| Lincoln Birthplace National Site | Kentucky | Southern |
| Lincoln Memorial | Washington DC | Mid-Atlantic |
| Little Bighorn National Battlefield | Montana | Great West |
| Little Rock Central High School | Arkansas | Southern |
| Lookout Mountain National Battlefield | Tennessee | Southern |
| Mammoth Cave National Park | Kentucky | Southern |
| Mesa Verde National Park | Colorado | Great West |
| Minuteman Missile National Historic Site | South Dakota | Midwest |
| Mojave National Preserve | California | Pacific Coastal |
| Montezuma Castle National Monument | Arizona | Pacific Coastal |
| Mount Rainier National Park | Washington | Pacific Coastal |
| Mount Rushmore National Park | South Dakota | Midwest |
| Mount Vernon National Site | Washington DC | Mid-Atlantic |
| Mount Washington Tavern | Pennsylvania | Mid-Atlantic |
| National Mall Memorial | Washington DC | Mid-Atlantic |
| New River Gorge National Park | West Virginia | Mid-Atlantic |
| Perry's National Memorial | Ohio | Midwest |
| Plymouth Rock National Memorial | Massachusetts | Mid-Atlantic |
| Redwood National Park | California | Pacific Coastal |
| Saguaro National Park | Arizona | Pacific Coastal |
| San Antonio Missions National Site | Texas | Southwest |
| San Felipe del Morro National Site | Puerto Rico | Caribbean |
| September 11 National Memorial | New York | Mid-Atlantic |
| Shenandoah National Park | Virginia | Mid-Atlantic |
| Statue of Liberty National Monument | New York | Mid-Atlantic |
| The Alamo National Site | Texas | Southwest |
| Theodore Roosevelt National Park | North Dakota | Great West |
| Ulysses S. Grant Memorial | Missouri | Southern |
| USS Arizona National Memorial | Hawaii | Pacific Coastal |
| Valley Forge National Historical Park | Pennsylvania | Mid-Atlantic |
William H. Taft National Historic Site
| Ohio | Midwest |
| Yellowstone National Park | Wyoming | Great West |
| Zion National Park | Utah | Great West |
