Built during 1650s

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Artillery Park (Newport County, Rhode Island)
Atwood-Higgins Historic District (Barnstable County, Massachusetts)
Bellingham-Cary House (Suffolk County, Massachusetts)
Blake, James, House (Suffolk County, Massachusetts)
Chestnut Street District (Essex County, Massachusetts)
Copp's Hill Burial Ground (Suffolk County, Massachusetts)
Custis Tombs (Northampton County, Virginia)
Endicott Rock (Belknap County, New Hampshire)
First Parish Church Site-Dover Point (Strafford County, New Hampshire)
Fort Nathan Hale (New Haven County, Connecticut)
Goodspeed House (Barnstable County, Massachusetts)
John and Priscilla Alden Family Sites (Plymouth County, Massachusetts)
Kingston Stockade District (Ulster County, New York)
Little Neck Cemetery (Providence County, Rhode Island)
Macy-Colby House (Essex County, Massachusetts)
Merchant's Hope Church (Prince George County, Virginia)
Morton Homestead (Delaware County, Pennsylvania)
New Castle Historic District (New Castle County, Delaware)
New Castle Historic District (New Castle County, Delaware)
Newbury Historic District (Essex County, Massachusetts)
Newman--Fiske--Dodge House (Essex County, Massachusetts)
Noyes, James, House (Essex County, Massachusetts)
Old Deerfield Village Historic District (Franklin County, Massachusetts)
Old Gravesend Cemetery (Kings County, New York)
Parkman Tavern (Middlesex County, Massachusetts)
Partridge, John, House (Norfolk County, Massachusetts)
Pierce House (Suffolk County, Massachusetts)
Pieter Wyckoff House (Kings County, New York)
River Park Historic District (New Haven County, Connecticut)
Robinson House (New Castle County, Delaware)
San Luis de Apalache (Leon County, Florida)
San Pedro y San Pablo de Patale (Leon County, Florida)
Seventeenth Century Clark House (Union County, New Jersey)
Southold Historic District (Suffolk County, New York)
Vine Lake Cemetery (Norfolk County, Massachusetts)
Winthrop Mill (New London County, Connecticut)