Region
Front Range (Colo. and Wyo.)
2
Harpers Ferry (W. Va.)
2
Harpers Ferry National Historical Park
2
Saint Helens, Mount
2
Saint Helens, Mount (Wash.)
2
Washington (State)
2
Acropolis (Athens, Greece)
1
Allegheny Portage Railroad National Historic Site (Pa.)
1
Athens (Greece)
1
Atlantic States
1
California
1
Denver Metropolitan Area (Colo.)
1
Everest, Mount (China and Nepal)
1
Fort Laramie (Wyo.)
1
Fort Laramie National Historic Site (Wyo.)
1
Fort Larned National Historic Site (Larned, Kan.)
1
Greece
1
Jamestown (Va.)
1
Jefferson National Expansion Memorial (Saint Louis, Mo.)
1
Jerusalem
1
Kansas
1
Mall, The (Washington, D.C.)
1
Manzanar National Historic Site (Calif.)
1
Maryland
1
Middle East
1
New York (State)
1
New York Harbor (N.Y. and N.J.)
1
Oxon Cove Park (Md. and Washington, D.C.)
1
Oxon Hill
1
Puʻuhonua o Hōnaunau National Historical Park (Hawaii)
1
Rome
1
Rome (Italy)
1
Sagarmāthā National Park (Nepal)
1
San Francisco Bay
1
San Francisco Bay (Calif.)
1
Statue of Liberty National Monument (N.Y. and N.J.)
1
Tallgrass Prairie National Preserve (Kan.)
1
Timpanogos Cave National Monument (Utah)
1
Ulster County
1
Ulster County (N.Y.)
1
United States
1
Virginia
1
Washington (D.C.)
1
Wyoming
1