Built 1829

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Aaron Aldrich House (Cuyahoga County, Ohio)

Akron Cemetery (Independence County, Arkansas)

Ambrose Baber House (Bibb County, Georgia)

Andrew Johnston House (Giles County, Virginia)

Arlington Plantation House (St. Landry Parish, Louisiana)

Barcelona Lighthouse and Keeper's Cottage (Chautauqua County, New York)

Beaver Dam Plantation House (Mecklenburg County, North Carolina)

Beecher Hall, Illinois College (Morgan County, Illinois)

Carrollton Downtown Historic District (Carroll County, Georgia)

Center Inn (Delaware County, Ohio)

Center Meeting House and Common (Oxford County, Maine)

Central Congregational Church (Washington County, Maine)

Chambers-Morgan Farm (Anson County, North Carolina)

Cherry Mansion (Hardin County, Tennessee)

Chippokes Plantation (Surry County, Virginia)

Christ Hamilton United Lutheran Church and Cemetery (Monroe County, Pennsylvania)

Col. Francis Dancy House (Morgan County, Alabama)
Oldest building in Decatur and one of four antebellum houses in Decatur to survive

Col. Henry Hewitt Wood House (Kanawha County, West Virginia)

Cox, Richard, House (Suffolk County, New York)

Crawford, David, House (Orange County, New York)

Danville Commercial District (Boyle County, Kentucky)

David Houser House (Calhoun County, South Carolina)

Delaware & Hudson Canal (Ulster County, New York)
Canal/Railroad system to transport coal from the Pennsylvania mines to New York

Delaware & Hudson Canal (Sullivan County, New York)
Canal/Railroad system to transport coal from the Pennsylvania mines to New York

Deshon-Allyn House (New London County, Connecticut)

Dr. William Henderson House (Dauphin County, Pennsylvania)

Eastern Lock of the Chesapeake and Delaware Canal (New Castle County, Delaware)

Eastern State Penitentiary (Philadelphia County, Pennsylvania)

Edmund Robinson House (Warren County, Ohio)

Ellicottville Town Hall (Cattaraugus County, New York)

Elliott and Stoddard Halls, Miami University (Butler County, Ohio)

Enfield Canal (Hartford County, Connecticut)
5.25 mile navigation canal

Farmington Canal/ New Haven & Northampton Canal (Hartford County, Connecticut)
A navigation canal running from the harbor at New Haven, CT to the Connecticut River at Northampton, MA

Farmington Canal/ New Haven & Northampton Canal (New Haven County, Connecticut)
A navigation canal running from the harbor at New Haven, CT to the Connecticut River at Northampton, MA

First Baptist Church (Bristol County, Massachusetts)

First Congregational Church (Litchfield County, Connecticut)
Greek Revival style church built in 1829 in Litchfield

First Presbyterian Church of Wantage (Sussex County, New Jersey)

Fort Crawford Military Hospital (Crawford County, Wisconsin)

Fort Pulaski National Monument (Chatham County, Georgia)

Fowler's Mills Historic District (Geauga County, Ohio)

General Post Office (Washington, District of Columbia)

Geneva (Rapides Parish, Louisiana)

Glen Burnie (Fluvanna County, Virginia)

Glens Falls Feeder Canal (Unspecified county, New York)

Gorgas-Manly Historic District (Tuscaloosa County, Alabama)
A historic district that includes 12 acres (4.9 ha) and eight buildings on the campus of the University of Alabama in Tuscaloosa, Alabama.

Gulick-Rowell House (Kauai County, Hawaii)

Hartville Hotel (Stark County, Ohio)

Haverhill--Bath Covered Bridge (Grafton County, New Hampshire)

Henderson--Orr House (Coweta County, Georgia)

Hinton Rowan Helper House (Davie County, North Carolina)

Ivy Mills Historic District (Delaware County, Pennsylvania)

J. B. Royce House and Farm Complex (Tioga County, New York)

Jacksonville Historic District (Morgan County, Illinois)

Jacob Leiby Farm (Berks County, Pennsylvania)

Jared Irwin House (Stewart County, Georgia)

Jefferson Cattle Pound (Lincoln County, Maine)

John Jacob Schaub House (Forsyth County, North Carolina)

John Patton Log Cabin (McLean County, Illinois)

Johnson, Nathan and Mary, Properties (Bristol County, Massachusetts)

Johnson-Pence House (Scott County, Kentucky)

Kenmore (Spotsylvania County, Virginia)

Kennebec County Courthouse (Kennebec County, Maine)

Kenyon College (Knox County, Ohio)

Lake O'Woods (Warren County, North Carolina)

Lake Orion Historic District (Oakland County, Michigan)

Leicester Meeting House (Addison County, Vermont)

Maine State House (Kennebec County, Maine)

Mathews House (Lake County, Ohio)

McDonald Farm (Greene County, Ohio)

Mercer Union Meetinghouse (Somerset County, Maine)

Mission Church (Mackinac County, Michigan)

Moody Farm (Waldo County, Maine)

Mount Hope (Fauquier County, Virginia)

Nicoll Halsey House and Halseyville Archeological Sites (Tompkins County, New York)

North Saint Georges Historic District (New Castle County, Delaware)

Octagon House (Muscogee County, Georgia)

Old Lock Pump House, Chesapeake and Delaware Canal (Cecil County, Maryland)

Old Washington Historic District (Guernsey County, Ohio)

Orono Main Street Historic District (Penobscot County, Maine)

Patterson Viaduct Ruins (Unspecified county, Maryland)

Pennsylvania Canal and Limestone Run Aqueduct (Northumberland County, Pennsylvania)

Pickett Chapel Methodist Church (Wilson County, Tennessee)

Pine Ridge Church (Adams County, Mississippi)

Pleasant Lawn (Woodford County, Kentucky)

Potomac Mills (Jefferson County, West Virginia)

Power Farmstead (Sangamon County, Illinois)

Raymond Historic District (Hinds County, Mississippi)

Red Rock Schoolhouse (Columbia County, New York)
One-room school built in 1829, currently owned by the Red Rock Historical Society who hope to restore the building.