Region
Massachusetts
40
Salem Maritime National Historic Site (Mass.)
6
Salem
5
Springfield Armory National Historic Site (Springfield, Mass.)
5
Salem (Mass.)
4
Saugus
4
Saugus Iron Works National Historic Site (Saugus, Mass.)
4
Springfield
4
Adams National Historical Park (Quincy, Mass.)
3
Boston
3
Cape Cod National Seashore (Mass.)
3
Quincy
3
Rhode Island
3
Boston National Historical Park (Boston, Mass.)
2
Brookline
2
Cape Cod National Seashore
2
Frederick Law Olmsted National Historic Site (Brookline, Mass.)
2
Lowell
2
Springfield (Mass.)
2
Adams National Historical Park (Quincy)
1
Atwood-Higgins Historic District (Wellfleet, Mass.)
1
Blackstone River Valley (Mass. and R.I.)
1
Boston (Mass.)
1
Boston Harbor
1
Boston Harbor (Mass.)
1
Cape Cod Region
1
Concord
1
Connecticut
1
Dorchester (Boston)
1
Eastham (Mass. : Town)
1
Eastham (Town)
1
Fort Hill (Barnstable County, Mass.)
1
Freedom Trail (Boston, Mass.)
1
Hoosac Docks (Boston, Mass.)
1
John Fitzgerald Kennedy National Historic Site (Brookline, Mass.)
1
Lowell National Historical Park (Lowell, Mass.)
1
Minute Man National Historical Park
1
Minute Man National Historical Park (Mass.)
1
New Bedford
1
New Bedford (Mass.)
1
New Bedford Whaling National Historical Park (New Bedford, Mass.)
1
New England
1
United States
1
Wellfleet
1