Built during 1750s

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Abbeville (Lancaster County, Pennsylvania)
Abingdon Church (Gloucester County, Virginia)
Abington Congregational Church (Windham County, Connecticut)
Abram's Delight (Winchester, Virginia)
Achenbach House (Bergen County, New Jersey)
Ackerman-Demarest House (Bergen County, New Jersey)
Adam Kurtz House (Winchester, Virginia)
African--American Cemetery, The (Orange County, New York)
Albert Smith House (Bergen County, New Jersey)
Aldrich, Peter, Homestead (Ulster County, New York)
Alexander and James Linn Homestead (Somerset County, New Jersey)
Allaire Village (Monmouth County, New Jersey)
Allee House (Kent County, Delaware)
Alloways Creek Friends Meetinghouse (Salem County, New Jersey)
Appomattox Manor (Hopewell, Virginia)
Aquia Church (Stafford County, Virginia)
Ar-Qua Springs (Berkeley County, West Virginia)
Arlington (Somerset County, Maryland)
Babcock--Smith House (Washington County, Rhode Island)
Back River Farm (Strafford County, New Hampshire)
Backus, Nathaniel, House (New London County, Connecticut)
Badger, Rev. Stephen, House (Middlesex County, Massachusetts)
Baldwin, Loammi, Mansion (Middlesex County, Massachusetts)
Ball-Sellers House (Arlington County, Virginia)
Ballard-Maupin House (Albemarle County, Virginia)
Bannister Hall and Baynard House (Kent County, Delaware)
Barker, John, House (New Haven County, Connecticut)
Belle Isle (Lancaster County, Virginia)
Benjamin B. Leas House (Huntingdon County, Pennsylvania)
Benjamin Osborn House (Berkshire County, Massachusetts)
Benjamin Shotwell House (Middlesex County, New Jersey)
Berkley Crossroads Historic District (Harford County, Maryland)
Bethabara Historic District (Forsyth County, North Carolina)
Bethania Historic District (Forsyth County, North Carolina)
Beverley Mill (Prince William County, Virginia)
Beverwyck Site (Morris County, New Jersey)
Bishop--Irick Farmstead (Burlington County, New Jersey)
Blackledge-Kearney (Bergen County, New Jersey)
Blandfield (Essex County, Virginia)
Blenheim (Albemarle County, Virginia)
Blenheim (Powhatan County, Virginia)
Bliss, Daniel, Homestead (Bristol County, Massachusetts)
Blockhouse Site (Polk County, North Carolina)
Bloomer--Dailey House and Balmville Tree (Orange County, New York)
Balmville Tree cut down August 5, 2015
Boiling Springs Historic District (Cumberland County, Pennsylvania)
Bookstaver, Jacob, House (Orange County, New York)
Borough House Plantation (Sumter County, South Carolina)
Boyd Avenue Historic District (Berkeley County, West Virginia)
Boyle/Hudspeth-Benson House (Morris County, New Jersey)
Brendle Farms (Lebanon County, Pennsylvania)
Brindley Farm (New Castle County, Delaware)
Brooke's Bank (Essex County, Virginia)
Brown, John, IV, House (Bristol County, Massachusetts)
Buffett, Joseph, House (Suffolk County, New York)
Burial Site of Aaron Burr (Mercer County, New Jersey)
Burial Site of Grover Cleveland (Mercer County, New Jersey)
Burke's Garden Rural Historic District (Tazewell County, Virginia)
Burlington (Dinwiddie County, Virginia)
Burnt Quarter (Dinwiddie County, Virginia)
Calabasas (Santa Cruz County, Arizona)
Capon Chapel (Hampshire County, West Virginia)
One of the 3 oldest church structures in the United States
Cappahosic House (Gloucester County, Virginia)
Capt. John Brewer House (Berkshire County, Massachusetts)
Carlisle Historic District (Cumberland County, Pennsylvania)
Carll House (Dix Hills) (Suffolk County, New York)
Carlyle House (Alexandria, Virginia)
Carpenter, Col. Thomas, III, House (Bristol County, Massachusetts)
Carter's Grove (James City County, Virginia)
Cascine (Franklin County, North Carolina)
Center Village District (Worcester County, Massachusetts)
Chapman-Hall House (Lincoln County, Maine)
Chestertown Historic District (Kent County, Maryland)
Christ Church (Middlesex County, Massachusetts)
Christoffel Vought Farmstead (Hunterdon County, New Jersey)
Clearfield Farm (New Castle County, Delaware)
Cliffs, The (Philadelphia County, Pennsylvania)
Colonial Park Cemetery (Chatham County, Georgia)
Conklin, David, House (Suffolk County, New York)
Connecticut Hall, Yale University (New Haven County, Connecticut)
Conrad Grubb Homestead (Montgomery County, Pennsylvania)
Conyngham-Hacker House (Philadelphia County, Pennsylvania)
Coopersburg Historic District (Lehigh County, Pennsylvania)
Cornell Farmhouse (Queens County, New York)
Coventry Hall (Chester County, Pennsylvania)
Covesville Historic District (Albemarle County, Virginia)
Crooked Intention (Talbot County, Maryland)
Cuffe, Paul, Farm (Bristol County, Massachusetts)
Cuming, Dr. John, House (Middlesex County, Massachusetts)
Damon, Joseph, House (Middlesex County, Massachusetts)
Danville Meetinghouse (Rockingham County, New Hampshire)
David Ackerman House (Bergen County, New Jersey)
David J. Cummins House (Kent County, Delaware)
Davis Town Meeting House (Suffolk County, New York)
Days Ferry Historic District (Sagadahoc County, Maine)
Deer Chase (Middlesex County, Virginia)
Deery Family Homestead (Chester County, Pennsylvania)
DePew, Peter, House (Rockland County, New York)
Dexter, Jeremiah, House (Providence County, Rhode Island)
Dickinson House (Salem County, New Jersey)
Dirck Gulick House (Somerset County, New Jersey)
Dorneyville Crossroad Settlement (Lehigh County, Pennsylvania)
Dritt Mansion (York County, Pennsylvania)
Drown, Nathaniel, House (Bristol County, Massachusetts)
DuBois--Deyo House (Ulster County, New York)
Dudley, Jedidiah, House (Middlesex County, Connecticut)
Dunning, Deacon Andrew, House (Cumberland County, Maine)
DuPuy, Ephriam, Stone House (Ulster County, New York)
Dwight-Henderson House (Berkshire County, Massachusetts)
East End Historic District (Orange County, New York)
Easton Historic District (Northampton County, Pennsylvania)
Easton House (Northampton County, Pennsylvania)
Eaton-Prescott House (Middlesex County, Massachusetts)
Edmonston House (Orange County, New York)
Elk Landing (Cecil County, Maryland)
Ellis Cook House (Morris County, New Jersey)
Ellis Williams House (Chester County, Pennsylvania)
Elmendorph Inn (Dutchess County, New York)
Elsing Green (King William County, Virginia)
Elting Memorial Library (Ulster County, New York)
Emerson House (Essex County, Massachusetts)
Eratt House (Sussex County, Delaware)
Estey Tavern (Essex County, Massachusetts)
Everett--Bradner House (Orange County, New York)
Fairfield Inn (Adams County, Pennsylvania)
First Parish Meetinghouse (York County, Maine)
Flemington Historic District (Hunterdon County, New Jersey)
Forbes, Samuel, Homestead (Litchfield County, Connecticut)
Fort Ashby (Mineral County, West Virginia)
Built by George Washington in 1755.
Fort Bowman (Shenandoah County, Virginia)
Fort Colvin (Frederick County, Virginia)
Fort Crown Point (Essex County, New York)
Fort de Chartres (Randolph County, Illinois)
Fort Dobbs (Iredell County, North Carolina)
Fort Halifax (Kennebec County, Maine)
Fort Klock (Montgomery County, New York)
Fort Ligonier (Westmoreland County, Pennsylvania)
Fort Loudoun (Monroe County, Tennessee)
Fort Loudoun Site (Winchester, Virginia)
Fort Massac Site (Massac County, Illinois)
Fort Miamis Site (Lucas County, Ohio)
Land formation
Fort Necessity National Battlefield (Fayette County, Pennsylvania)
Fort Pitt (Allegheny County, Pennsylvania)
Fort Pownall Memorial (Waldo County, Maine)
Fort Stanwix National Monument (Oneida County, New York)
Fort Ticonderoga (Essex County, New York)
Fort Toulouse (Elmore County, Alabama)
Fort Van Meter (Hampshire County, West Virginia)
Mid 18th Century Frontier Fort
Fort Western (Kennebec County, Maine)
Fountain House (Bucks County, Pennsylvania)
Francis Hopkinson House (Burlington County, New Jersey)
Frederica Historic District (Kent County, Delaware)
Frederick Wortendyke House (Bergen County, New Jersey)
Friends Meetinghouse (Morris County, New Jersey)
Frisbie, Edward, House (New Haven County, Connecticut)
Fuller, Amos, House (Norfolk County, Massachusetts)
Furnace Village Historic District (Bristol County, Massachusetts)
Gadsby's Tavern (Alexandria, Virginia)
Gardiner, Capt. Oliver, House (Kent County, Rhode Island)
Gen. John Lacey Homestead (Bucks County, Pennsylvania)
George Washington House (Prince George's County, Maryland)
Georgetown Historic District (Washington, District of Columbia)
Gilpin Homestead (Delaware County, Pennsylvania)
Gloucester Women's Club (Gloucester County, Virginia)
Goff Homestead (Bristol County, Massachusetts)
Goodman, Timothy, House (Hartford County, Connecticut)
Grahame House (Calvert County, Maryland)
Granite Historic District (Baltimore County, Maryland)
Gray House, Old (Lincoln County, Maine)
Greene, Moses, House (Kent County, Rhode Island)
Greene, Peter, House (Kent County, Rhode Island)
Greenfield Hill Historic District (Fairfield County, Connecticut)
Greenfield Plantation (Chowan County, North Carolina)
Greenport Village Historic District (Suffolk County, New York)
Guevavi Mission Ruins (Santa Cruz County, Arizona)
Gunston Hall (Fairfax County, Virginia)
Hadden--Margolis House (Westchester County, New York)
Haines, Benjamin, House (Orange County, New York)
Hale-Byrnes House (New Castle County, Delaware)
Halifax Historic District (Halifax County, North Carolina)
Hamburg Bridge Historic District (New London County, Connecticut)
Hanover Village Historic District (Morris County, New Jersey)
Haring, Abraham A., House (Bergen County, New Jersey)
Haring-Vervalen House (Bergen County, New Jersey)
Harpswell Meetinghouse (Cumberland County, Maine)
Hart-Rice House (Rockingham County, New Hampshire)
Hawley, Gideon, House (Barnstable County, Massachusetts)
Hawley, Thomas, House (Fairfield County, Connecticut)
Hempsted, Nathaniel, House (New London County, Connecticut)
Henry Walter House (Lancaster County, Pennsylvania)
Herbert House (Hampton, Virginia)
Herkimer House (Herkimer County, New York)
Hertford Historic District (Perquimans County, North Carolina)
Hessian Powder Magazine (Cumberland County, Pennsylvania)
Hewick (Middlesex County, Virginia)