Region
Brookline
2
Brookline (Mass.)
2
Frederick Law Olmsted National Historic Site (Brookline, Mass.)
2
Massachusetts
2
New York (State)
2
Oyster Bay
2
Sagamore Hill National Historic Site (Oyster Bay, N.Y.)
2
California
1
Cornish (Town)
1
Hawaii
1
Hawaii Volcanoes National Park
1
Hawaii Volcanoes National Park (Hawaii)
1
John Muir National Historic Site
1
John Muir National Historic Site (Calif.)
1
Martinez
1
Martinez (Contra Costa County)
1
Martinez (Contra Costa County, Calif.)
1
New Hampshire
1
Saint-Gaudens National Historical Park (Cornish, N.H.)
1