Built 1842

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A.W. Gribble Farm (Preston County, West Virginia)
Acworth Downtown Historic District (Cobb County, Georgia)
Alexander Kelly House (Moore County, North Carolina)
Alvarado Adobe (Site) (Contra Costa County, California)
Angier, John B., House (Middlesex County, Massachusetts)
Armed Forces Retirement Home--Washington (Washington, District of Columbia)
Armory of the Kentish Guards (Kent County, Rhode Island)
Asa Johnston Farmhouse (Conecuh County, Alabama)
Ashburton House (Washington, District of Columbia)
Athens State College Historic District (Limestone County, Alabama)
Avery-Hunter House (Licking County, Ohio)
Barleywood (Jefferson County, West Virginia)
Beers and St. John Company Coach Inn (Muscatine County, Iowa)
Bloomington Central Business District (McLean County, Illinois)
Boothbay Harbor Memorial Library (Lincoln County, Maine)
Bradford Farm Historic District (Penobscot County, Maine)
Bridge Mill Farm (Chester County, Pennsylvania)
Brightly (Goochland County, Virginia)
Brooks-Wilbarger House (Bastrop County, Texas)
Brown's Lock and Mill Dam #1 (Warren County, Kentucky)
Navigational lock and low level dam on Big Barren River
Canal House (Fayette County, Indiana)
Capt. Barton Peck House (Goliad County, Texas)
Cash-Draper House (Orange County, New York)
Catholic Presbyterian Church (Chester County, South Carolina)
Historic church near Chester, SC
Centenary Church (Richmond, Virginia)
Charles Irving Thornton Tombstone (Cumberland County, Virginia)
City of Rocks (Cassia County, Idaho)
Clarendon Plantation House (Avoyelles Parish, Louisiana)
Clarkston Village Historic District (Oakland County, Michigan)
Cochran Grange (New Castle County, Delaware)
College Home/Smith Hall (Troup County, Georgia)
Congregational Church of Christ (Lorain County, Ohio)
Conkey House (Niagara County, New York)
Coosa County Jail (Coosa County, Alabama)
Old Coosa County Jail
Curran Hall (Pulaski County, Arkansas)
Currituck County Courthouse and Jail (Currituck County, North Carolina)
Curry Hill Plantation (Decatur County, Georgia)
Double Cabins (Spalding County, Georgia)
Dover Slave Quarter Complex (Goochland County, Virginia)
Dowley-Taylor House (Worcester County, Massachusetts)
Dozier Farm (Davidson County, Tennessee)
Dr. Joseph P. and Effie Porth House (Cole County, Missouri)
Edgar Allan Poe House, National Historic Site (Philadelphia County, Pennsylvania)
El Pueblo (Pueblo County, Colorado)
Ephraim Uitz House (Boone County, Kentucky)
Exchange Hotel (Erie County, Ohio)
First Baptist Church of Gilmanton (Belknap County, New Hampshire)
First Baptist Church, Former (Somerset County, Maine)
First National City Bank (New York County, New York)
Fort Scott National Historic Site (Bourbon County, Kansas)
Fort Washita (Bryan County, Oklahoma)
Franklin Settle House (Barren County, Kentucky)
Frozard Plantation House (St. Landry Parish, Louisiana)
Gaineswood (Marengo County, Alabama)
Garrott House (Independence County, Arkansas)
Genesee Wesleyan Seminary and Genesee College Hall (Livingston County, New York)
A college campus that has been used by five schools
George Blackman House (Montgomery County, Illinois)
George--Vest House (Boone County, Kentucky)
Gov. Wilson Lumpkin House (Clarke County, Georgia)
Granite Pass (Cassia County, Idaho)
Griffin Commercial Historic District (Spalding County, Georgia)
Hammond Covered Bridge (Rutland County, Vermont)
Hampden Academy (Penobscot County, Maine)
Harlemville Schoolhouse (Columbia County, New York)
One-room school newly renovated and now an art school in Ghent
Harriton (Montgomery County, Pennsylvania)
Haseltine Cobblestone House (Waukesha County, Wisconsin)
Hope Terrace (East Feliciana Parish, Louisiana)
Huff House and Farmstead (Somerset County, New Jersey)
Huntington Grange (Lorain County, Ohio)
James Nathanial Burwell House (Berkeley County, West Virginia)
Jersey Settlement Meeting House (Davidson County, North Carolina)
John Tyler House (Charles City County, Virginia)
John W. Miller House (Rappahannock County, Virginia)
Joseph House (Muscogee County, Georgia)
Judge J. W. F. Allen House (Hardy County, West Virginia)
Lamberson-Markley Houses (Coshocton County, Ohio)
Lee Mission Cemetery (Marion County, Oregon)
Leonidas Johnson House (Scott County, Kentucky)
Leroy Napier House (Bibb County, Georgia)
Lewisburg Historic District (Kenton County, Kentucky)
Ludlow Center Historic District (Hampden County, Massachusetts)
Marlborough Congregational Church (Hartford County, Connecticut)
Melvin, Isaac, House (Middlesex County, Massachusetts)
Merwinsville Hotel (Litchfield County, Connecticut)
Possibly the oldest surviving hotel-station in the United States; New Milford
Michigan State Prison (Jackson County, Michigan)
Mifflin County Courthouse (Mifflin County, Pennsylvania)
Mirador (Albemarle County, Virginia)
Montrose (Orange County, North Carolina)
Mt. Albion Cemetery (Orleans County, New York)
North Main Avenue Historic District (Catawba County, North Carolina)
Noxon Bank Building (Saratoga County, New York)
Oak Grove Plantation (Coweta County, Georgia)
Old Bergen Church (Hudson County, New Jersey)
Old Capitol (Johnson County, Iowa)
Old Croton Dam, Site of (Westchester County, New York)
Old Market Building (Georgetown County, South Carolina)
Parsons, Ambrose, House (Suffolk County, New York)
Paw Paw City Hall (Van Buren County, Michigan)
First county courthouse now serving as the local city hall
Peery Mill Site (Blount County, Tennessee)
Phillip Henninger House (Cuyahoga County, Ohio)
Pine Valley Covered Bridge (Bucks County, Pennsylvania)
Plummer, Capt. John, House (Washington County, Maine)
Preston House (Smyth County, Virginia)
Punahou School Campus (Honolulu County, Hawaii)
R. H. Wilson House (Green County, Kentucky)
Robert C. Beauchamp House (Hancock County, Kentucky)
Rockaway Valley Methodist Church (Morris County, New Jersey)
Romberger-Stover House (Dauphin County, Pennsylvania)
Roseland (Concordia Parish, Louisiana)
Ross Cemetery (Cherokee County, Oklahoma)
Ross Crane House (Clarke County, Georgia)
Ross Furnace (Westmoreland County, Pennsylvania)
Iron Furnace located on the 3rd hole of golf course
Russell, Edward Augustus, House (Middlesex County, Connecticut)
Sedgewood Plantation (Madison County, Mississippi)
Seelye, Seth, House (Fairfield County, Connecticut)
Sereck Shallcross House (New Castle County, Delaware)
Sewall Andrews House (Waukesha County, Wisconsin)
Residence of one of Mukwonago's founding fathers, now serving as a museum
Sharon Historic District (Norfolk County, Massachusetts)
Shaw House (Moore County, North Carolina)
Smithville Valley Grange No. 1397 (Chenango County, New York)
South Salem Academy (Ross County, Ohio)
South Solon Meetinghouse (Somerset County, Maine)
St. Mark's Episcopal Church (Medina County, Ohio)
St. Marys Historic District (Elk County, Pennsylvania)
St. Michael's Catholic Church (Robertson County, Tennessee)
St. Paul's Episcopal Church (Frederick County, Maryland)
St. Paul's Union Church and Cemetery (Schuylkill County, Pennsylvania)
St. Thomas Aquinas Church (Muskingum County, Ohio)
Stevens House (Bureau County, Illinois)
Stokes--Evans House (Burlington County, New Jersey)
Stone Academy (Johnson County, Iowa)
T. R. R. Cobb House (Clarke County, Georgia)
Temple Town Hall (Hillsborough County, New Hampshire)
Tristram Bethea House (Wilcox County, Alabama)
A historic plantation house near Camden, Alabama.
Tulip Cemetery (Dallas County, Arkansas)
Tunkhannock Historic District (Wyoming County, Pennsylvania)
Union Schoolhouse (Monmouth County, New Jersey)
W.B. Spring House (Woodford County, Kentucky)
W.H.C. Folsom House (Crawford County, Wisconsin)
Wadsworth Atheneum (Hartford County, Connecticut)
Walrath-Van Horne House (Montgomery County, New York)
Walsh, A., Stone House and Farm Complex (Orange County, New York)
Wananalua Congregational Church (Maui County, Hawaii)
Washington College Historic District (Washington County, Tennessee)
Washington Square Historic District (Cook County, Illinois)
Washington Street Methodist Church (Petersburg, Virginia)
Williams House (Johnson County, Kentucky)
Winter Building (Montgomery County, Alabama)
Woodbury Town Hall (Washington County, Vermont)
Woodlands (Albemarle County, Virginia)
Woodrow Methodist Church (Richmond County, New York)
Workman Adobe (Los Angeles County, California)
Wright-Brooks House (Calhoun County, Michigan)