Built 1775

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"The Rim" and Site of Fort Foster (Washington County, Maine)
Andrew, William, House (New Haven County, Connecticut)
Angel Island, U.S. Immigration Station (Marin County, California)
Arnold Trail to Quebec (Unspecified county, Maine)
Arnold Trail to Quebec (Kennebec County, Maine)
Baldwin, Zaccheus, House (New Haven County, Connecticut)
Bausman Farmstead (Lancaster County, Pennsylvania)
Becker Stone House (Schoharie County, New York)
Blocker House (Edgefield County, South Carolina)
One of the oldest homes in the Edgefield area
Boatyard Historic District (Unspecified county, Tennessee)
Brookline Town Green Historic District (Norfolk County, Massachusetts)
Brown, Col. Roger, House (Middlesex County, Massachusetts)
Buffalo Presbyterian Church and Cemetery (Guilford County, North Carolina)
Bunker Hill Monument (Suffolk County, Massachusetts)
Charles Hammond House (Aiken County, South Carolina)
Daniel Basset House (Fairfield County, Connecticut)
Davis, Isaac, Trail (Middlesex County, Massachusetts)
Deacon John Davenport House (Fairfield County, Connecticut)
Ebenezer Gay House (Litchfield County, Connecticut)
Ellicott's Mills Historic District (Baltimore County, Maryland)
Fort Frederick State Park (Washington County, Maryland)
Fort Griswold (New London County, Connecticut)
Fort O'Brien (Washington County, Maine)
Fort Phoenix (Bristol County, Massachusetts)
Fort Washington (Middlesex County, Massachusetts)
Great Bridge Battle Site (Chesapeake, Virginia)
Greenway (Charles City County, Virginia)
H.R. Stevens House (Rockland County, New York)
Hadley Center Historic District (Hampshire County, Massachusetts)
Hand's Cove (Addison County, Vermont)
Hays-Pitzer House (Berkeley County, West Virginia)
Head House Square (Philadelphia County, Pennsylvania)
Hopewell Presbyterian Church and Cemetery (Mecklenburg County, North Carolina)
Isaac Naugle House (Bergen County, New Jersey)
Ivins--Conover House (Burlington County, New Jersey)
John Bullen House (Kent County, Delaware)
John R. Demarest House (Bergen County, New Jersey)
Kent Neighborhood Historic District (Bennington County, Vermont)
Lane-Bennett House (Wake County, North Carolina)
Lexington Green (Middlesex County, Massachusetts)
Lozier House and Van Riper Mill (Bergen County, New Jersey)
MacGregor-Tallman House (Monmouth County, New Jersey)
Market House (Providence County, Rhode Island)
Minute Man National Historical Park (Middlesex County, Massachusetts)
Morgan's Grove (Jefferson County, West Virginia)
New Castle County Court House (New Castle County, Delaware)
Old Newgate Prison (Hartford County, Connecticut)
Old Presbyterian Meeting House (Alexandria, Virginia)
Port Republic Historic District (Rockingham County, Virginia)
Potter's Tavern (Cumberland County, New Jersey)
Prato Rio (Jefferson County, West Virginia)
Reed's Creek Farm (Queen Anne's County, Maryland)
Robert Clagett Farm (Washington County, Maryland)
St. John's Episcopal Church (Richmond, Virginia)
St. Paul's Episcopal Church (Washington, District of Columbia)
Stabler-Leadbeater Apothecary Shop (Alexandria, Virginia)
Swansbury (Harford County, Maryland)
Thaddeus Kosciuszko National Memorial (Philadelphia County, Pennsylvania)
U.S. Military Academy (Unspecified county, New York)
Washington Avenue Historic District (Fredericksburg, Virginia)
Watervliet Shaker Historic District (Albany County, New York)