Region
New York (State)
17
California
15
Massachusetts
13
Pennsylvania
9
United States
7
West (U.S.)
7
Maryland
6
Salem Maritime National Historic Site (Mass.)
6
Virginia
6
Manzanar National Historic Site (Calif.)
5
Utah
5
Alaska
4
Colorado
4
Hyde Park (Dutchess County)
4
Manzanar National Historic Site
4
Missouri
4
New York
4
Golden Gate National Recreation Area (Calif.)
3
Harpers Ferry National Historical Park
3
Harry S. Truman National Historic Site (Mo.)
3
Home of Franklin D. Roosevelt National Historic Site (Hyde Park, N.Y.)
3
Hovenweep National Monument (Utah and Colo.)
3
Illinois
3
Independence
3
Lincoln Home National Historic Site (Springfield, Ill.)
3
Montana
3
Springfield
3
Texas
3
Washington (D.C.)
3
West Virginia
3
Wyoming
3
Arkansas
2
Brookline
2
Brookline (Mass.)
2
Cameron County
2
Florida
2
Fort Davis National Historic Site (Tex.)
2
Fort Laramie National Historic Site (Wyo.)
2
Fort Smith National Historic Site (Fort Smith, Ark.)
2
Gateway National Recreation Area (N.J. and N.Y.)
2
Grant-Kohrs Ranch National Historic Site
2
Grant-Kohrs Ranch National Historic Site (Mont.)
2
Inyo County
2
Martin Van Buren National Historic Site (N.Y.)
2
Muir Woods National Monument
2
Muir Woods National Monument (Calif.)
2
Nebraska
2
New Hampshire
2
New Jersey
2
New Mexico
2
more ...