All - Constructed - 1890–1899
| 109-115 Wood Street |
| 1890 Windermere School |
| 26th District Police and Patrol Station |
| 33-61 Emerson Place Row |
| 68th Police Precinct Station House and Stable |
| Abbott Street School |
| Abraham, Simon, Duplex |
| Academie Brochu |
| Acadia Plantation |
| Acme Farm Supply Building |
| Adair County Courthouse |
| Adams, Joseph Frederick, House |
| Adams Memorial |
| Adams Power Plant Transformer House |
| Adirondack Forest Preserve |
| Ad-Lin Building |
| Advent Christian Church |
| Aetna Hose, Hook and Ladder Company, Fire Station No. 1 |
| AF and AM Lodge 687, Orangeville |
| African Methodist Episcopal Church |
| Agnes Howard Hall |
| Agricultural Dean's House |
| Agriculture Hall |
| A. K. Smiley Public Library |
| Alabama Methodist Church |
| Albers, Albert, Barn |
| Albion Normal School Campus |
| Albright-Knox Art Gallery |
| Albright Memorial Building |
| Aldrich Free Public Library |
| Algoma Boulevard Methodist Church |
| Algonquin Printing Co. |
| Algood Methodist Church |
| Allan Teator Road Stone Arch Bridge |
| Allegheny Post Office |
| Allenhurst Railroad Station |
| Allenwood River Bridge |
| All Saints' Church |
| All Saints' Episcopal Church |
| All Souls Church |
| All Souls Unitarian-Universalist Church |
| All Souls Universalist Church |
| Allston Congregational Church |
| Allyn House |
| Altamont Hotel |
| Altgeld Hall, University of Illinois |
| Amazon Hosiery Mill |
| Ambruster, Frederick, Cottage |
| AME Church of New Haven |
| American Baptist Publication Society |
| American Radiator Company Factory Complex |
| American Thread Building |
| American Tobacco Company Manufacturing Plant |
| Ames Schoolhouse |
| Amsterdam (46th Separate Company) Armory |
| Amundsen, Dyre & Maria, House |
| Andazola, Trinidad, House |
| Anderson, Brady and Waldermar Ager House |
| Anderson Brothers Department Store |
| Anderson House |
| Anderson, Lewis and Clara, House |
| Anderson, Lewis, House, Barn and Granary |
| Anderson Presbyterian Church |
| Andover National Bank |
| Andrews Street Bridge |
| Andrews United Methodist Church |
| Andrews, William, House |
| Androscoggin Swinging Bridge |
| Anoatok |
| Ansonia Library |
| Antietam National Battlefield |
| Antiguo Hospital Militar Espanol de Ponce |
| Appeldorn, Peter B., House |
| Appleton City Hall |
| Appleton Wire Works |
| Appomattox Iron Works |
| Arbuckle, George, House |
| Arcadia Round Barn |
| Archer County Courthouse and Jail |
| Archie Creek Camp |
| Ardoyne Plantation House |
| Arenas Bridge |
| Argent Apartments |
| Armory Block |
| Armory-Latisona Building |
| Armory of the First Corps of Cadets |
| Armstrong, Alfred J. and Georgia A., House |
| Armstrong Memorial Building |
| Armstrong-Toro House |
| Arthur, Charles and Lewis, E. N. House |
| Asbury Methodist Episcopal Church, South |
| Ash Fork Steel Dam |
| Ashlar Hall |
| Ashley and Bailey Company Silk Mill |
| Astoria Fire House No. 2 |
| Astoria Wharf and Warehouse Company |
| Atchison County Courthouse |
| Atchison, Topeka and Santa Fe Railway Depot |
| Athenaeum (Das Deutsche Haus) |
| Athenaeum Press |
Data from United States Park Service and Wikidata
