Built 1806

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Academy Building (Cumberland County, Maine)
Adena (Thomas Worthington House) (Ross County, Ohio)
African Meetinghouse (Suffolk County, Massachusetts)
Alice Creek Historic District (Lewis and Clark County, Montana)
Ambrose Blackburn Farmstead (Lewis County, Tennessee)
Anderson House (New Castle County, Delaware)
Asa Stower House (Warren County, New York)
Beauregard Town Historic District (East Baton Rouge Parish, Louisiana)
Bedford Springs Hotel Historic District (Bedford County, Pennsylvania)
Belcher, Jonathan, House (Norfolk County, Massachusetts)
Bethel Baptist Church (Cape Girardeau County, Missouri)
Brownsville (Northampton County, Virginia)
Camp Disappointment (Glacier County, Montana)
Central Elementary School (Craven County, North Carolina)
Christ Church (Washington, District of Columbia)
Codman Square District (Suffolk County, Massachusetts)
Coiner-Quesenbery House (Waynesboro, Virginia)
Conkling-Boardman-Eldridge Farm (Albany County, New York)
Corey, Timothy, House No. 1 (Norfolk County, Massachusetts)
Donaldsonville Historic District (Ascension Parish, Louisiana)
Dr. Walter Warfield Building (Fayette County, Kentucky)
Edward and Ann Moore House (Hartford County, Connecticut)
Elder Grey Meetinghouse (York County, Maine)
Friends Advice (Montgomery County, Maryland)
Frost Farm (Cheshire County, New Hampshire)
Gershom Craft House (Bucks County, Pennsylvania)
Greene County Courthouse (Greene County, Georgia)
Hale, William, House (Strafford County, New Hampshire)
Headquarters House (Suffolk County, Massachusetts)
Henry Smith Farm (Dauphin County, Pennsylvania)
Hook Windmill (Suffolk County, New York)
Hudson Historic District (Summit County, Ohio)
James Allen's Inn (Green County, Kentucky)
Jefferson Historic District (Jackson County, Georgia)
John White House (Washington County, Pennsylvania)
Joseph Bucher House (Lancaster County, Pennsylvania)
Joseph Haile House (Providence County, Rhode Island)
Keating House (Queen Anne's County, Maryland)
King Manor (Queens County, New York)
King's Bridge (Somerset County, Pennsylvania)
Lace House (Columbia County, New York)
Lawrence Farm (Cheshire County, New Hampshire)
Main Gate, Washington Navy Yard (Washington, District of Columbia)
Middlebury Village Historic District (Addison County, Vermont)
Middletown Historic District (Frederick County, Maryland)
Officer Farmstead (Overton County, Tennessee)
Old City Cemetery (Lynchburg, Virginia)
Old Natchez Trace and Choctaw Agency Site (Madison County, Mississippi)
Old National Pike Milestones (Unspecified county, Maryland)
Old Roman Catholic Cathedral (Baltimore, Maryland)
Old West Church (Suffolk County, Massachusetts)
Pikes Peak (El Paso County, Colorado)
Point of Honor (Lynchburg, Virginia)
Pompey's Pillar (Yellowstone County, Montana)
Poplar Forest (Bedford County, Virginia)
Prospect Hill (Spotsylvania County, Virginia)
Reformed Dutch Church of Wyckoff (Bergen County, New Jersey)
Reveille (Richmond, Virginia)
Robert D. Lilley House (Highland County, Ohio)
Rock Ledge (Sullivan County, Tennessee)
Rundlet--May House (Rockingham County, New Hampshire)
Spite House (Knox County, Maine)
St. Mary's Seminary Chapel (Baltimore, Maryland)
Stephen Parsons House (Lincoln County, Maine)
Stone Farm (Cheshire County, New Hampshire)
Stowe, Harriet Beecher, House (Cumberland County, Maine)
Summerseat (Bucks County, Pennsylvania)
Sumner--Carpenter House (Windham County, Connecticut)
Thomas Carr District (McDuffie County, Georgia)
Two Medicine Fight Site (Pondera County, Montana)
Vine Forest (Rockbridge County, Virginia)
Waynesboro Downtown Historic District (Waynesboro, Virginia)
West Hall (Multnomah County, Oregon)
Williams House (Mercer County, Kentucky)