Built 1861

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Abram C. Fisk House (Branch County, Michigan)
Alabaster Historic District (Iosco County, Michigan)
Alexander Clemons House (Ottawa County, Ohio)
Allen--Sommer--Gage House (Butte County, California)
Amelia Earhart Birthplace (Atchison County, Kansas)
American Thermos Bottle Company Laurel Hill Plant (New London County, Connecticut)
Arlington Street Church (Suffolk County, Massachusetts)
Armour's Warehouse (LaSalle County, Illinois)
Arnold--Harrell House (Rutherford County, Tennessee)
Arthur J. Jones House (Pulaski County, Arkansas)
Asbury Methodist Church (Robeson County, North Carolina)
August and Margaretha Rehnstrom House (Henry County, Illinois)
Barber Hill Schoolhouse (Hartford County, Connecticut)
Built in 1861. Dismantled at its Griffin Road location and restored in 2017.
Battle of Sacramento Battlefield (McLean County, Kentucky)
Benjamin Gordon Baldwin House (St. Lawrence County, New York)
Blackstone Park Historic District (Providence County, Rhode Island)
Blenheim (Fairfax, Virginia)
Boundary Marker No. 1 (Whatcom County, Washington)
Braswell-Carnes House (Cobb County, Georgia)
Brenham Downtown Historic District (Washington County, Texas)
Brewer, Henrietta, House (Washington County, Maine)
Bridges-Johnson House (Bosque County, Texas)
Brierfield Furnace (Bibb County, Alabama)
A historic district in Brierfield, Alabama.
Brown, Harrison B., House (Cumberland County, Maine)
Buckville Cemetery (Garland County, Arkansas)
Burnham, Edward L., Farm (Hartford County, Connecticut)
Burrier House (Jessamine County, Kentucky)
Butcher Hill Historic District (Randolph County, West Virginia)
Camp Bartow Historic District (Pocahontas County, West Virginia)
Camp Chase Cemetery (Franklin County, Ohio)
Confederate cemetery located on the west side of Columbus
Camp McDonald (Cobb County, Georgia)
Camp Moore (Tangipahoa Parish, Louisiana)
Camp Randall (Dane County, Wisconsin)
Civil War Era US Army Camp now home of University of Wisconsin Badger Athletics
Canal Station (Orleans Parish, Louisiana)
Carnifex Ferry State Park (Nicholas County, West Virginia)
Center Methodist Church (Barnstable County, Massachusetts)
Central Square Historic District (Grafton County, New Hampshire)
Centreville Mill (Kent County, Rhode Island)
Charter Oak Bank Building (Hartford County, Connecticut)
Child, Francis J., House (Middlesex County, Massachusetts)
China Grove Methodist Church (Walthall County, Mississippi)
Chollar Mansion (Storey County, Nevada)
Christ Evangelical Church (Washington County, Wisconsin)
Deconsecrated church now serving as a museum
Christian Church (Delaware County, New York)
Christian Pershing Barn (Tuscarawas County, Ohio)
Civil War Fort Sites (Washington, District of Columbia)
Cold Springs Station Site (Churchill County, Nevada)
Cole's Five Cypress Farm (San Joaquin County, California)
Columbus-Belmont Civil War State Park (Hickman County, Kentucky)
Colusa County Courthouse (Colusa County, California)
Cornelius H. Evans House (Columbia County, New York)
Cross Roads Church (Anne Arundel County, Maryland)
Cuvier Press Club (Hamilton County, Ohio)
Davenport Hotel (Lenawee County, Michigan)
Deitz Farm (Greenbrier County, West Virginia)
Dersch Homestead (Shasta County, California)
Earlham College Observatory (Wayne County, Indiana)
East 78th Street Houses (New York County, New York)
Elizaville Presbyterian Church (Fleming County, Kentucky)
Eric and Martha Linberg Farm (Bosque County, Texas)
F. L. Wandell Estate and Ward Factory Site (Bergen County, New Jersey)
First Baptist Church of Interlaken (Seneca County, New York)
First Congregational Church of Otto (Cattaraugus County, New York)
Fort C.F. Smith (Warren County, Kentucky)
Fort Collier (Frederick County, Virginia)
Fort Crafford (Newport News, Virginia)
Fort Davis (Muskogee County, Oklahoma)
Fort Duffield (Hardin County, Kentucky)
Fort Ethan Allen (Arlington County, Virginia)
Fort Fisher (New Hanover County, North Carolina)
Fort Huger (Isle of Wight County, Virginia)
Fort Lytle (Warren County, Kentucky)
Fort McAllister (Bryan County, Georgia)
Fort McCulloch (Bryan County, Oklahoma)
Fort Mill Ridge Civil War Trenches (Hampshire County, West Virginia)
Considered the best preserved trenchworks from the Civil War
Fort Palmetto (Charleston County, South Carolina)
Fort Pillow (Lauderdale County, Tennessee)
Fort Popham Memorial (Sagadahoc County, Maine)
Fort Taber District (Bristol County, Massachusetts)
Fort Ward (Alexandria, Virginia)
Fort Webb (Warren County, Kentucky)
Franklin County Grammar School Building (Franklin County, Vermont)
Freestone Point Confederate Battery (Prince William County, Virginia)
G. Kerndt & Brothers Office Block (Allamakee County, Iowa)
Glendale Historic District (Hamilton County, Ohio)
Golden Swan--True American (Mercer County, New Jersey)
Gould-Weed House (Richmond County, Georgia)
Grant Road Historic District (Washington, District of Columbia)
Grassdale (Louisa County, Virginia)
Greene Hills Farm (Greene County, Pennsylvania)
Gresham (Anne Arundel County, Maryland)
Guiberson House (Madison County, Iowa)
Haiku Mill (Maui County, Hawaii)
Hamilton Richardson House (Rock County, Wisconsin)
Harrison--Hastedt House (Colorado County, Texas)
Hastings Methodist Episcopal Church (Dakota County, Minnesota)
Heidemann Ranch (Bexar County, Texas)
Henry Montague House (Kalamazoo County, Michigan)
Hillside Cemetery (Orange County, New York)
Holden Lutheran Church Parsonage (Goodhue County, Minnesota)
Hollywood (Bolivar County, Mississippi)
Hooker, John and Isabella, House (Hartford County, Connecticut)
Hoopa (Humboldt County, California)
Horace Wright House (Franklin County, Ohio)
House at 105 Marion Street (Norfolk County, Massachusetts)
Houses at 208-218 East 78th Street (New York County, New York)
Hunt House (Hamilton County, Ohio)
Historic home in Blue Ash, Ohio
I.O.O.F. Hall (San Joaquin County, California)
Indian Mill (Wyandot County, Ohio)
Jackson Bridge (Parke County, Indiana)
Covered bridge over Sugar Creek on CR N50W
James Malone House (Caswell County, North Carolina)
Jared H. Gay House (Oceana County, Michigan)
Oldest Continuously Occupied Log House On Original Foundation in Michigan
Jeremiah H. Service House (St. Joseph County, Indiana)
Jesse Ratcliff House (Morgan County, Missouri)
John Coumbe Farmstead (Richland County, Wisconsin)
John F. Schwegmann House (Franklin County, Missouri)
John Orendorff Farm (Carroll County, Maryland)
John Wilson House (Dallas County, Iowa)
Jones Warehouses (Providence County, Rhode Island)
Joseph Brown House Ruins (Renville County, Minnesota)
Joseph F. Glidden House (De Kalb County, Illinois)
Judge Alexander Latty House (Defiance County, Ohio)
Kemper Hall (Kenosha County, Wisconsin)
No longer operating as a girls' school, Kemper Hall evolved into today's Kemper Center
Knapp-Wilson House (Story County, Iowa)
Lancaster Cemetery (Garrard County, Kentucky)
Laverty-Martindale House (La Crosse County, Wisconsin)
Lemont Methodist Episcopal Church (Cook County, Illinois)
Liberty Hall (Sumter County, Georgia)
Liggett--Freedlander House (Wayne County, Ohio)
Locust Hill (Pittsylvania County, Virginia)
Manassas National Battlefield Park (Unspecified county, Virginia)
Manitou Island Light Station (Keweenaw County, Michigan)
Marion House and Marion Brothers Store (Surry County, North Carolina)
McCully House (Jackson County, Oregon)
Georgian Revival house built in 1861
McElroy Octagon House (San Francisco County, California)
Medico-Dental Building (San Francisco County, California)
Two story Italianate cast iron facade building built in 1861
Meredith Hart House (Johnson County, Texas)
Metcalfe County Jail (Metcalfe County, Kentucky)
Michael Crumrine Farm (Ashland County, Ohio)
Mons Anderson House (La Crosse County, Wisconsin)
Mount Pleasant (Genesee County, New York)
Muir Church of Christ (Ionia County, Michigan)
Mundy-McFarland House (De Soto Parish, Louisiana)
Munger and Company White Store (Madison County, Iowa)
Nelson Farmstead (Cooke County, Texas)
Nicholas Johnson Mill (Berks County, Pennsylvania)
Northampton County Courthouse (Northampton County, Pennsylvania)
Northumberland County Courthouse (Northumberland County, Pennsylvania)
Ohio State Arsenal (Franklin County, Ohio)
Old Allamakee County Courthouse (Allamakee County, Iowa)
Old Clam House (San Francisco County, California)
Wood false front restaurant established in 1861
Old Courthouse, Warren County (Warren County, Mississippi)
Old St. Mary's Church (Gillespie County, Texas)
Orin Porter House (Summit County, Ohio)
Otter Lake Community Church (Oneida County, New York)
Otto Brinkmann House (Kendall County, Texas)
Park Springs Ranch Headquarters Complex (San Miguel County, New Mexico)
Pendleton House (Ohio County, Kentucky)
Perkins-Clark House (Hartford County, Connecticut)
Petty-Roberts-Beatty House (Barbour County, Alabama)
An historic octagonal house in Clayton, Alabama.
Pittsfield East School (Pike County, Illinois)
Pleasant Grove School (Utah County, Utah)
Pleasant Mills (Atlantic County, New Jersey)
Port Hudson National Cemetery (East Baton Rouge Parish, Louisiana)
Porter-York House (Habersham County, Georgia)
Powder Magazine (Montgomery County, Alabama)
Reed's Store (Calaveras County, California)
Rich Mountain Battlefield (Randolph County, West Virginia)
Ripley County Courthouse (Ripley County, Indiana)
Rogers Chapel (Armstrong County, Pennsylvania)
19th century church in South Buffalo Township
Roxbury (Westmoreland County, Virginia)
Samuel Martin House (Solano County, California)
Shaler Battery (Campbell County, Kentucky)
Signal Hill (Prince William County, Virginia)
Silver Creek Baptist Church (Clark County, Indiana)
Old Silver Creek Baptist Church built 1861
Silvester Johnson House and Business (Nelson County, Kentucky)
Simeon Wagoner House (Guilford County, North Carolina)
Slifer House (Union County, Pennsylvania)
Smith--Duncan, House and Eastman Barn (Jersey County, Illinois)
South Church Manse (Bergen County, New Jersey)
St. Benedict's Catholic Church (Otoe County, Nebraska)
St. James Episcopal Church (Fulton County, Illinois)
St. John's Lutheran Church (Lenawee County, Michigan)
St. Luke's Episcopal Church (Franklin County, Vermont)
St. Martin's Catholic Church (Medina County, Ohio)
St. Matthias Mission (Fond du Lac County, Wisconsin)
St. Paul's Episcopal Church (Montgomery County, Pennsylvania)
St. Peter's Church (Washington County, Wisconsin)
St. Philip's Moravian Church (Forsyth County, North Carolina)
Stilley--Young House (Marion County, Texas)