Region
Massachusetts
2
New York (State)
2
Adams National Historical Park (Quincy, Mass.)
1
Brookline
1
Brookline (Mass.)
1
Connecticut
1
Frederick Law Olmsted National Historic Site (Brookline, Mass.)
1
Hyde Park (Dutchess County)
1
Oyster Bay
1
Quincy
1
Ridgefield
1
Ridgefield (Town)
1
Sagamore Hill National Historic Site (Oyster Bay, N.Y.)
1
United States
1
Vanderbilt Mansion National Historic Site (Hyde Park, Dutchess County, N.Y.)
1
Weir Farm National Historical Park (Conn.)
1
Wilton
1