Built 1750

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Allaire Village (Monmouth County, New Jersey)
Ar-Qua Springs (Berkeley County, West Virginia)
Bannister Hall and Baynard House (Kent County, Delaware)
Benjamin Osborn House (Berkshire County, Massachusetts)
Blenheim (Albemarle County, Virginia)
Blenheim (Powhatan County, Virginia)
Boiling Springs Historic District (Cumberland County, Pennsylvania)
Boyd Avenue Historic District (Berkeley County, West Virginia)
Brindley Farm (New Castle County, Delaware)
Burnt Quarter (Dinwiddie County, Virginia)
Capon Chapel (Hampshire County, West Virginia)
One of the 3 oldest church structures in the United States
Capt. John Brewer House (Berkshire County, Massachusetts)
Capt. Oliver Gardiner House (Kent County, Rhode Island)
Carter's Grove (James City County, Virginia)
Center Village District (Worcester County, Massachusetts)
Colonial Park Cemetery (Chatham County, Georgia)
Connecticut Hall, Yale University (New Haven County, Connecticut)
David Ackerman House (Bergen County, New Jersey)
Davis Town Meeting House (Suffolk County, New York)
Deery Family Homestead (Chester County, Pennsylvania)
East End Historic District (Orange County, New York)
Elmendorph Inn (Dutchess County, New York)
Elting Memorial Library (Ulster County, New York)
Everett--Bradner House (Orange County, New York)
Fort Klock (Montgomery County, New York)
Fort Miamis Site (Lucas County, Ohio)
Land formation
Francis Hopkinson House (Burlington County, New Jersey)
Frederick Wortendyke House (Bergen County, New Jersey)
Granite Historic District (Baltimore County, Maryland)
Greenfield Hill Historic District (Fairfield County, Connecticut)
Hale-Byrnes House (New Castle County, Delaware)
Henry Walter House (Lancaster County, Pennsylvania)
Herkimer House (Herkimer County, New York)
Hibshman Farm (Lancaster County, Pennsylvania)
Hopper House (Bergen County, New Jersey)
House at 29 Flat Rock Road (New Haven County, Connecticut)
Hunter's Ironworks (Stafford County, Virginia)
Indian King Tavern (Camden County, New Jersey)
John Rogers House (New Haven County, Connecticut)
Joseph Tatnall House (New Castle County, Delaware)
Jugtown Historic District (Mercer County, New Jersey)
Kyle's Mill House (Rockingham County, Virginia)
Leverett Center Historic District (Franklin County, Massachusetts)
Lewis Inn (Chester County, South Carolina)
Historic tavern near Chester, SC
Long Ridge Village Historic District (Fairfield County, Connecticut)
Mathewson Farm (Providence County, Rhode Island)
Morton Morton House (Delaware County, Pennsylvania)
Nathaniel Backus House (New London County, Connecticut)
Nye, Benjamin, Homestead (Barnstable County, Massachusetts)
Oak Grove (Northampton County, Virginia)
Oak Grove (Campbell County, Virginia)
Old Forge Farm (Frederick County, Virginia)
Old Isle of Wight Courthouse (Isle of Wight County, Virginia)
Oliver White Tavern (Tolland County, Connecticut)
Perry Point Mansion House and Mill (Cecil County, Maryland)
Peter Taylor Farmstead (Bucks County, Pennsylvania)
Pine Slash (Hanover County, Virginia)
Prince George Winyah Church (Episcopal) and Cemetery (Georgetown County, South Carolina)
Rev. Adonijah Bidwell House (Berkshire County, Massachusetts)
Robert Tynes House (Isle of Wight County, Virginia)
Rosehill (Anne Arundel County, Maryland)
Rowe and Weed Houses (Hartford County, Connecticut)
Sahler Stone House (Ulster County, New York)
Seabrook-Wilson House (Monmouth County, New Jersey)
Seven Chimneys (Bergen County, New Jersey)
Sgt. William Harlow Family Homestead (Plymouth County, Massachusetts)
Shippen House (Cumberland County, Pennsylvania)
Simpson, Dr. Thomas, House (Middlesex County, Massachusetts)
Smith--Gardiner--Norman Farm Historic District (Newport County, Rhode Island)
Solitude Farm (Chester County, Pennsylvania)
Ste. Genevieve Historic District (Ste. Genevieve County, Missouri)
Stilwill--Westbrook Stone House (Ulster County, New York)
Stony Creek Plantation (Dinwiddie County, Virginia)
Swart House and Tavern (Schenectady County, New York)
Taney Place (Calvert County, Maryland)
Thomas Harrison House (Harrisonburg, Virginia)
Thomas Shepard House (Berkshire County, Massachusetts)
Twin Trees Farm (Bucks County, Pennsylvania)
Twining Farm (Bucks County, Pennsylvania)
Washington's Headquarters (Orange County, New York)
Waterloo (Somerset County, Maryland)
Watson, Abraham, House (Middlesex County, Massachusetts)
Whipple--Jenckes House (Providence County, Rhode Island)
Wiggins--Rolph House (Suffolk County, New York)
William Gunnell House (Fairfax County, Virginia)
Wilton (Richmond, Virginia)
Windsor Castle Farm (Isle of Wight County, Virginia)
Winsor--Swan--Whitman Farm (Providence County, Rhode Island)
Woodhull, Benjamin King, House (Suffolk County, New York)
Wythe House (Williamsburg, Virginia)
Zook House (Chester County, Pennsylvania)
Zook House (Chester County, Pennsylvania)