Built 1824

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Abbott-Page House (Erie County, Ohio)
Allegheny Aqueduct (Berks County, Pennsylvania)
Bainbridge Commercial Historic District (Decatur County, Georgia)
Barnes, James B., House (Middlesex County, Massachusetts)
Bell Tower (Richmond, Virginia)
Bellevue (Bedford, Virginia)
Bethlehem Church (Washington County, Indiana)
Pioneer Church built in 1824
Black Mansion (Hancock County, Maine)
Blackstone Canal (Providence County, Rhode Island)
Charles McPheeters House (Fayette County, Kentucky)
Chinaberry (Aiken County, South Carolina)
Christ Church Cathedral (Jefferson County, Kentucky)
Christ Episcopal Church and Parish House (Craven County, North Carolina)
Cintra (Bucks County, Pennsylvania)
Clarendon Congregational Church (Rutland County, Vermont)
Coburn, John G. (Franklin County, Maine)
College Hill Historic District (Haywood County, Tennessee)
Collings--Knight Homestead (Camden County, New Jersey)
Columbia Canal (Richland County, South Carolina)
Crowe-Garritt House (Jefferson County, Indiana)
Dowden's Luck (Montgomery County, Maryland)
Eliud Sells House (Franklin County, Ohio)
Elliot, Gen. Simon, House (Norfolk County, Massachusetts)
Elmhurst (Greenbrier County, West Virginia)
Enlarged Double Lock No. 33 Old Erie Canal (Montgomery County, New York)
Felix G. Hansford House (Kanawha County, West Virginia)
First American Road in Florida (Santa Rosa County, Florida)
Fort Adams (Newport County, Rhode Island)
Fort Gibson (Muskogee County, Oklahoma)
Fricks Locks Historic District (Chester County, Pennsylvania)
Friendly Grove (Pike County, Ohio)
Frontier House (Niagara County, New York)
Funks Grove Maple Sirup (McLean County, Illinois)
Route 66 Landmark
Garret and Maria Ackerman House (Bergen County, New Jersey)
Gordon--Center House (Grand Isle County, Vermont)
Gov. Simon Snyder Mansion (Snyder County, Pennsylvania)
Grand Isle County Courthouse (Grand Isle County, Vermont)
Gwynedd Hall (Montgomery County, Pennsylvania)
Hawthorne Hall (Botetourt County, Virginia)
Hay-Morrison House (Washington County, Indiana)
Hickory Hill (Rockbridge County, Virginia)
House at 51 Market St. (New York County, New York)
Ingleside (Amelia County, Virginia)
James Walker Log House (Washington County, Texas)
John Brown Farmhouse (Summit County, Ohio)
John Fuller House (Hartford County, Connecticut)
John Rutherford House (Baldwin County, Georgia)
John Vowles House (Charlottesville, Virginia)
Ketner's Mill and Bridge (Marion County, Tennessee)
Lafayette Cemetery No. 1 (Orleans Parish, Louisiana)
Lebanon (Harnett County, North Carolina)
Martinsville Historic District (Martinsville, Virginia)
McGehee-Stringfellow House (Hale County, Alabama)
A historic plantation house near Greensboro, Alabama.
Mount Repose (Adams County, Mississippi)
Musical Fund Hall (Philadelphia County, Pennsylvania)
New Lots Reformed Church and Cemetery (Kings County, New York)
Newton Friends' Meetinghouse (Camden County, New Jersey)
Oakland Plantation (Aiken County, South Carolina)
Old Cokesbury and Masonic Female College and Conference School (Greenwood County, South Carolina)
Historic Female College in Cokesbury, SC
Old Homestead (Lawrence County, Pennsylvania)
Old Horry County Courthouse (Horry County, South Carolina)
Historic county courthouse, now serving as the Conway City Hall
Oliver W. Mills House (Hartford County, Connecticut)
Oneida Lake Congregational Church (Madison County, New York)
Paw Paw Building (Cecil County, Maryland)
Philadelphia College of Art (Philadelphia County, Pennsylvania)
Pilgrim Hall (Plymouth County, Massachusetts)
Rascoe--Harris Farm (Sumner County, Tennessee)
Red Hill Farm (Amherst County, Virginia)
Riverside Cemetery (Madison County, Tennessee)
Rock Mill (Fairfield County, Ohio)
Salem Downtown Historic District (Washington County, Indiana)
Savannah and Ogeechee Canal (Chatham County, Georgia)
Second Bank of the United States (Philadelphia County, Pennsylvania)
Seth M. Gates House (Wyoming County, New York)
South Parish (Rockingham County, New Hampshire)
South Pass (Fremont County, Wyoming)
Squire's Glen Farm (Franklin County, Ohio)
St. Luke's Church (Beaufort County, South Carolina)
Strong--Davis--Rice--George House (Putnam County, Georgia)
Tariffville Historic District (Hartford County, Connecticut)
Taylorsville Historic District (Spencer County, Kentucky)
Tuscumbia Landing Site (Colbert County, Alabama)
Tyree Stone Tavern (Fayette County, West Virginia)
Uptown Lexington Historic District (Davidson County, North Carolina)
Van Voorhees-Quackenbush House (Bergen County, New Jersey)
Varner-Hogg Plantation (Brazoria County, Texas)
Wall Brook Farm (Page County, Virginia)
Wesley Methodist Church (Oldham County, Kentucky)
Westville Congregational Church (Bristol County, Massachusetts)
William H. Seward House (Cayuga County, New York)
Williams-Harrison House (Essex County, New Jersey)
Wyandot Mission Church (Wyandot County, Ohio)