Built during 1670s

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Anawan Rock (Bristol County, Massachusetts)
Ashley River Historic District (Unspecified county, South Carolina)
Bowers, Jerathmell, House (Middlesex County, Massachusetts)
Burnham, James, House (Essex County, Massachusetts)
Bushnell, Elisha, House (Middlesex County, Connecticut)
Calef, Dr. John, House (Essex County, Massachusetts)
Center Street Cemetery (New Haven County, Connecticut)
Chandler-Bigsby-Abbot House (Essex County, Massachusetts)
Chaplin-Clarke House (Essex County, Massachusetts)
Cushing Homestead (Plymouth County, Massachusetts)
East Greenwich Historic District (Kent County, Rhode Island)
Eells-Stow House (New Haven County, Connecticut)
Fenner, Thomas, House (Providence County, Rhode Island)
First Presbyterian Church and Cemetery (Middlesex County, New Jersey)
Gloria Dei (Old Swedes') Church National Historic Site (Philadelphia County, Pennsylvania)
Gould, Zaccheus, House (Essex County, Massachusetts)
Greenwich Historic District (Cumberland County, New Jersey)
Hancock's Resolution (Anne Arundel County, Maryland)
Harlow Old Fort House (Plymouth County, Massachusetts)
Hatfield Center Historic District (Hampshire County, Massachusetts)
Hempstead Historic District (New London County, Connecticut)
Hempstead, Joshua, House (New London County, Connecticut)
Hollister, John, House (Hartford County, Connecticut)
Holmes-Hendrickson House (Monmouth County, New Jersey)
Huguenot Street Historic District (Ulster County, New York)
Knapp, Timothy, House and Milton Cemetery (Westchester County, New York)
Leffingwell Inn (New London County, Connecticut)
Lowland Cottage (Gloucester County, Virginia)
Marblehead Historic District (Essex County, Massachusetts)
Marmion (King George County, Virginia)
Mechanic Street Cemetery (Hampden County, Massachusetts)
Milton Cemetery (Norfolk County, Massachusetts)
Ocean Hall (St. Mary's County, Maryland)
Old Mansion (Caroline County, Virginia)
Old Mill at Tinton Falls (Monmouth County, New Jersey)
Parker House (Middlesex County, Connecticut)
Peak House (Norfolk County, Massachusetts)
Platts-Bradstreet House (Essex County, Massachusetts)
Rock Island Historic District (Door County, Wisconsin)
Royce, Nehemiah, House (New Haven County, Connecticut)
Salem Maritime National Historic Site (Essex County, Massachusetts)
Sewall, Edward, Garrison (Rockingham County, New Hampshire)
Site of Old Charles Towne (Charleston County, South Carolina)
Smith's Castle (Washington County, Rhode Island)
Photos shown are of the Richard Smith, Jr. House, not Smith's Castle
Spanish Coquina Quarries (St. Johns County, Florida)
St. Ignace Mission (Mackinac County, Michigan)
Stetson--Ford House (Plymouth County, Massachusetts)
Thayer, Nathaniel, Estate (Worcester County, Massachusetts)
Town Point (Kent County, Delaware)
Tufts, Peter, House (Middlesex County, Massachusetts)
Tyng, Col. Jonathan, House (Middlesex County, Massachusetts)
Burned in 1981
Walker, Phillip, House (Providence County, Rhode Island)
Weaver, Clement--Daniel Howland House (Kent County, Rhode Island)
West Falmouth Village Historic District (Barnstable County, Massachusetts)
White Horse Tavern (Newport County, Rhode Island)
Winston Churchill Memorial (Callaway County, Missouri)
Wishart-Boush House (Virginia Beach, Virginia)
Woodman Institute (Strafford County, New Hampshire)