Built during 1890s

. (Allegheny County, Pennsylvania)
109-115 Wood Street (Allegheny County, Pennsylvania)
1890 Windermere School (Orange County, Florida)
18th Separate Company Armory (Warren County, New York)
26th District Police and Patrol Station (Philadelphia County, Pennsylvania)
280th Street Bridge (Buchanan County, Iowa)
Relocated pony truss bridge on the SW 6th Street Liberty Trail in Independence
2nd Baptist Church (Washington, District of Columbia)
33-61 Emerson Place Row (Erie County, New York)
6th Avenue Hotel-Windsor Hotel (Maricopa County, Arizona)
A J Bush & Co General Merchandise & Museum (Jefferson County, Tennessee)
A. B. Moss Building (Payette County, Idaho)
A. D. Brown Building (St. Louis, Missouri)
A. Goldman Building (Victoria County, Texas)
A. H. and Company Black Building (Coos County, Oregon)
A. H. Lahlum House (Bosque County, Texas)
A. Herr and E. E. Smith Public Library (Iroquois County, Illinois)
A. J. and Emma E. Thomas Coley House (Tallapoosa County, Alabama)
A. J. Dean House (Flathead County, Montana)
A. J. Lewis House (Hinds County, Mississippi)
A. K. Smiley Public Library (San Bernardino County, California)
A. N. Tanner House (Box Elder County, Utah)
A. P. Carter Homeplace (Scott County, Virginia)
A. R. Webber House (Lorain County, Ohio)
A. Ray Taylor House (Daviess County, Missouri)
A. Smith Bowman Distillery (Fairfax County, Virginia)
A. T. Lewis and Son Department Store (Denver County, Colorado)
A. W. Robinson Building (Yavapai County, Arizona)
A.C. Beatie House (Smyth County, Virginia)
A.H. Beach House (San Diego County, California)
A.K. Wilson Building (Polk County, Oregon)
A.S. Benson House (Larimer County, Colorado)
Aaron Neely Sr., Mansion (King County, Washington)
Abbeville Commercial Historic District (Vermilion Parish, Louisiana)
Abbeville Depot (Abbeville County, South Carolina)
128 year old depot torn down by CSX Railroad in 2018
Abbeville Residential Historic District (Vermilion Parish, Louisiana)
Abbott Memorial Library (Penobscot County, Maine)
Abbott Street School (Worcester County, Massachusetts)
Abbott, George S., Building (New Haven County, Connecticut)
Abell-Kilbourn House (Berkeley County, West Virginia)
Aber and Haberle Houses (Cherokee County, Texas)
Abigarlos (Portsmouth, Virginia)
Abner F. Hodgins House (Winona County, Minnesota)
Abraham H. Esbenshade House (Milwaukee County, Wisconsin)
Two story, red brick late Queen Anne house with Renaissance Revival features
Abram Hatch House (Wasatch County, Utah)
Academie Brochu (Worcester County, Massachusetts)
Academy Street School (Salem, Virginia)
Acme Farm Supply Building (Davidson County, Tennessee)
Acworth Silsby Library (Sullivan County, New Hampshire)
Ad-Lin Building (Lackawanna County, Pennsylvania)
Adair County Courthouse (Adair County, Missouri)
Adair County Courthouse (Adair County, Iowa)
Adair Park Historic District (Fulton County, Georgia)
Adam and Johanna Feldman House (Washington County, Oregon)
Adam Howard House (Crawford County, Ohio)
Adam Sr. Schantz House (Montgomery County, Ohio)
Adams House (East Baton Rouge Parish, Louisiana)
Adams Memorial (Washington, District of Columbia)
Adams Memorial Library (Du Page County, Illinois)
Adams Power Plant Transformer House (Niagara County, New York)
Adar House (Benton County, Arkansas)
Addison B. Colvin House (Warren County, New York)
Admission Day Monument (San Francisco County, California)
Bronze & stone monument by Douglas Tilden completed in 1897
Adolph Boesel House (Auglaize County, Ohio)
Adolph Rose Building (Warren County, Mississippi)
Adorno Station (Humboldt County, Nevada)
Adrian State Bank (Nobles County, Minnesota)
Adriance Memorial Library (Dutchess County, New York)
Advent Christian Church (Grant County, Oregon)
Aeneas--Yates Hurlbut Charles, House (Lancaster County, Nebraska)
African Methodist Episcopal Church (Allegany County, Maryland)
Agricultural Dean's House (Dane County, Wisconsin)
Agriculture Hall (Story County, Iowa)
Airview Historic District (Frederick County, Maryland)
Alabama Midland Railway Depot (Houston County, Alabama)
Alameda City Hall (Alameda County, California)
Alamo Hotel (El Paso County, Colorado)
Albany Union Station (Albany County, New York)
Albert Albers Barn (Doniphan County, Kansas)
Albert and Kate Leinhardt House (DeWitt County, Texas)
Albert and Mariah Bryner House (Carbon County, Utah)
Albert Baird Cummins House (Polk County, Iowa)
Albert E. Clore House (Oldham County, Kentucky)
Albert F. Solliday House (Jefferson County, Wisconsin)
Albert G. Henry Jr. House (Marshall County, Alabama)
Beautiful Queen Anne house on a major highway
Albert H. Tanner House (Multnomah County, Oregon)
Albert Lammers House (Washington County, Minnesota)
Albert May House (Ravalli County, Montana)
Albert Ott House (Johnson County, Kansas)
Albert R. Baer House (Waukesha County, Wisconsin)
Albert Retan House (Pulaski County, Arkansas)
Albert Salmen House (St. Tammany Parish, Louisiana)
Albert W. Thompson Hall (Whitman County, Washington)
Albert Wilford Houses (San Francisco County, California)
Albertine and Fred Heck House (Carver County, Minnesota)
Albertville Depot (Marshall County, Alabama)
Former depot now serving as a museum
Albion Carousel (Erie County, Pennsylvania)
America's third oldest wooden carousel
Albion Normal School Campus (Cassia County, Idaho)
Albion Walker Chalkrock House (Bon Homme County, South Dakota)
Albright Memorial Building (Lackawanna County, Pennsylvania)
Aldrich Free Public Library (Windham County, Connecticut)
Alexander Briggs House (Coles County, Illinois)
Alexander Brown House (Onondaga County, New York)
Alexander Haynes House (Volusia County, Florida)
Alexander Hotel (Tattnall County, Georgia)
Alexander House (Ada County, Idaho)
Alexander McAllister House (Yakima County, Washington)
Alexander Mitchell House (Salt Lake County, Utah)
Alexander Organ House (Jackson County, Iowa)
Alexander Schools (Rutherford County, North Carolina)
Historic School for Orphaned Children in Rutherford County, NC
Alf Jung House (Bastrop County, Texas)
Alfred and Jane Ables House (Marion County, Georgia)
Alfred Block (Baker County, Oregon)
Alfred Butters House (Denver County, Colorado)
Alfred E. Clarke Mansion (San Francisco County, California)
Alfred J. and Georgia A. Armstrong House (Multnomah County, Oregon)
Alfred R. Voss Farmstead (Watonwan County, Minnesota)
Alfred Webb Investment Properties (Multnomah County, Oregon)
Algoma Boulevard Methodist Church (Winnebago County, Wisconsin)
Romanesque church designed by noted Wisconsin architect, William Waters
Algonquin Printing Co. (Bristol County, Massachusetts)
Algood Methodist Church (Putnam County, Tennessee)
Alhambra Hotel (Maricopa County, Arizona)
Alhambra Theater (Modoc County, California)
Alice Druhot House (Multnomah County, Oregon)
All Saints Episcopal Church (Denver County, Colorado)
All Saints' Church (Suffolk County, Massachusetts)
All Souls Church (Greene County, New York)
All Souls Episcopal Church and Parish House (Buncombe County, North Carolina)
All Souls Universalist Church (Riverside County, California)
Allan Teator Road Stone Arch Bridge (Greene County, New York)
Alldis, James, House (Litchfield County, Connecticut)
Alleghany Springs Springhouse (Montgomery County, Virginia)
Allegheny Post Office (Allegheny County, Pennsylvania)
Allen Block (Brazos County, Texas)
Allen House Hotel (Thurston County, Washington)
Allen University Historic District (Richland County, South Carolina)
Allenhurst Railroad Station (Monmouth County, New Jersey)
Allentown Union Hall (Tazewell County, Illinois)
Allenwood River Bridge (Unspecified county, Pennsylvania)
Alley Spring Roller Mill (Shannon County, Missouri)
Alliance Commercial Historic District (Box Butte County, Nebraska)
Allie Corn House (Boone County, Kentucky)
Allis Barn (Fillmore County, Minnesota)
Allston Congregational Church (Suffolk County, Massachusetts)
Allyn House (Middlesex County, Massachusetts)
Allyn Wight House (Essex County, New Jersey)
ALMA (Scow Schooner) (San Francisco County, California)
Alma Fruit Farm (Macon County, Georgia)
Almira Lott Murdock House (Beaver County, Utah)
Almira Riley House (Lawrence County, South Dakota)
Almon G. McCorkle House (Trumbull County, Ohio)
Alonzo Foringer House and Studio (Bergen County, New Jersey)
Alonzo Hamilton Packer House (Graham County, Arizona)
Alta Ranger Station (Ravalli County, Montana)
Altamahaw Mill Office (Alamance County, North Carolina)
Altamont Hotel (Fayette County, West Virginia)
Altgeld Hall, University of Illinois (Champaign County, Illinois)
Alvah Horace Whitmarsh House (Miller County, Arkansas)
Alvin Bushnell Bell House (Ida County, Iowa)
Amador County Hospital Building (Amador County, California)
Amanda Conk Best House (Salt Lake County, Utah)
Amasa Historic Business District (Iron County, Michigan)
Amazon Hosiery Mill (Muskegon County, Michigan)
Amberg Town Hall (Marinette County, Wisconsin)
Original Town Hall now part of a block of the Amberg Historical Museum Complex
AME Church of New Haven (Franklin County, Missouri)
American Baptist Publication Society (Philadelphia County, Pennsylvania)
American Brewing Company Plant (Providence County, Rhode Island)
American Express Building--Carroll (Carroll County, Iowa)
American Fine Arts Society (New York County, New York)
American Thread Building (New York County, New York)
Ames Schoolhouse (Norfolk County, Massachusetts)
Ami and Amanda Oakley House (Utah County, Utah)
Ammie Wilson House (Collin County, Texas)
Amon Clarence Thomas House (Posey County, Indiana)
Amory House (Cheshire County, New Hampshire)
Amos and Lillie Plummer House (Traill County, North Dakota)
Amsterdam (46th Separate Company) Armory (Montgomery County, New York)
Anaconda Company Payroll Office (Deer Lodge County, Montana)
Two story commercial brick building built in 1897
Anawan Club Clubhouse and Caretaker's House (Bristol County, Massachusetts)
Ancient Order of Hibernians Hall (Deer Lodge County, Montana)
Ancient Order of United Workmen Hall (Wasco County, Oregon)
Two story wood frame fratenal meeting hall built in 1898
Anderson House (York County, South Carolina)
Anderson Island School (Pierce County, Washington)
Anderson Lodge (Park County, Wyoming)
Anderson Presbyterian Church (Madison County, Tennessee)
Anderson, Brady and Waldermar Ager House (Eau Claire County, Wisconsin)
Anderson, Ludwig, Three-Decker (Worcester County, Massachusetts)
Anderson-Frank House (Hillsborough County, Florida)
Andover National Bank (Essex County, Massachusetts)