All - Architectural style - Italianate architecture
| 2000 Block Of Eye Street, NW |
| 75 Murray Street Building |
| Abell Farmhouse and Barn |
| Acton House |
| Adam, L.C., Mercantile Building |
| Adams County Courthouse |
| Adams, John And Maria, House |
| Adams Odd Fellows Hall |
| Adams School |
| Adams, Seth, House |
| Adelbert Hall, Case Western Reserve University |
| Administration Building, Lake Erie College |
| Adolph Block |
| Adrian Engine House No. 1 |
| AF and AM Lodge 687, Orangeville |
| Aiken's Hotel |
| Albania Plantation House |
| Albright House |
| Aldrich Building |
| Aldrich, Godfrey, and White Block |
| Alkemeyer Commercial Buildings |
| Allen-Beville House |
| Allen House |
| Allen House |
| Allen Mercantile Company |
| Alling, Francis D., House |
| Almshouse |
| Alverson-Copeland House |
| Amazeen House |
| Ambler, Henry, House |
| Amboy Illinois Central Depot |
| American Exchange Bank |
| American Mills Web Shop |
| American Watch Tool Company |
| Ammadelle |
| Ammendale Normal Institute |
| Anderson-Coward House |
| Anderson, John C., House |
| Anderson, Marian, House |
| Anderson, Mons, House |
| Andres, Charles, House |
| Andrews-Duncan House |
| Andrews, Joseph, House |
| Androscoggin Mill Block |
| Anger's Block |
| Annesdale |
| Annin, Joseph, House |
| Anthony, Horace, House |
| Anthracite Bank Building |
| Arcade Hotel |
| Arizona Daily Star Building |
| Arlington Hotel |
| Arlington Street Church |
| Armour & Co. Building |
| Armstrong House |
| Arnold, Capt. Alexander A., Farm |
| Arnold, Francis, House |
| Arnold Print Works |
| Aroostook County Courthouse and Jail |
| Art Gallery Building |
| Arthur, L. J., House |
| Ashland |
| Ashland |
| Ashland Town House |
| Ash Street School |
| Ashtabula County Courthouse Group |
| Ashworth and Jones Factory |
| Assumption School |
| Aston Building |
| Athenaeum of Philadelphia |
| Athens Governmental Buildings |
| Auburn Button Works and Logan Silk Mills |
| Auglaize County Courthouse |
| Au Sable Light Station |
| Austin, Eliphalet, House |
| Austin, F. K. and Mary, House |
| Austin-Whittemore House |
| AXA Building |
| Ayer, Albert, House |
| Ayres, Nathan, House |
| Baasen House-German YMCA |
| Baker, Charles, Property |
| Baker House |
| Balch Hotel |
| Baldwin, Benjamin Gordon, House |
| Baldwin, Joseph W., House |
| Ballantine, James, House |
| Bangor House |
| Bangs Block |
| Bank of California Building |
| Bank of Lafourche Building |
| Bank of Oberlin |
| Bank of Slaughter |
| Bank of the Iroquois Building |
| Bank of Ville Platte |
| Barber-Scotia College |
| Barker, S. B., Building |
| Barnes House |
| Barnett-Criss House |
| Barret House |
Data from United States Park Service and Wikidata
