Wisconsin - Area of significance: Architecture
| 100 East Building |
| 10th and Cass Streets Neighborhood Historic District |
| 1st and 2nd Street Historic District |
| 23rd and 24th Streets Historic District |
| 27th and Wells Streets Commercial Historic District |
| 2nd Street Commercial Historic District |
| 37th Street School |
| Abbot Row |
| Abresch, Charles, House |
| Adams County Courthouse |
| Adams Elementary School |
| Adelman, Albert and Edith, House |
| A. D. German Wholesale Company and Warehouse, Additional Documentation |
| Adkins, Henry D. L. and Jennie, House |
| Adler, Emanuel D., House |
| Aetna Station No. 5 |
| Agricultural Chemistry Building |
| Agricultural Dean's House |
| Agricultural Engineering Building |
| Agricultural Heating station |
| Agriculture and Manual Arts Building/Platteville State Normal School |
| Agriculture Hall |
| Aid Association for Lutherans (AAL) Building |
| Ajango, Helmut, House |
| Algoma Boulevard Historic District |
| Algoma Boulevard Methodist Church |
| Allis, Charles, House |
| Allouez Pump House |
| Allouez Water Department and Town Hall |
| All Saints' Episcopal Cathedral Complex |
| Allyn, A. H., House |
| Alma Historic District |
| Amberg Town Hall |
| American Exchange Bank |
| American System Built Homes-Burnham Street District |
| Ames, Francis Marian, Farmstead |
| Amity Leather Products Company Factory |
| Anderson, Brady and Waldermar Ager House |
| Anderson, Mons, House |
| Andrews, Sewall, House |
| Andrew Warren Historic District |
| Annala Round Barn |
| Annunciation Greek Orthodox Church |
| Antigo Depot |
| Antigo Post Office |
| Antigo Public Library and Deleglise Cabin |
| Anvil Lake Campground Shelter |
| A.O. Smith Corporation Headquarters |
| Apfel, George, Round Barn |
| Appleton City Park Historic District |
| APPOMATTOX (Shipwreck) |
| Arcadia Free Public Library |
| Arlington Apartments |
| Arndt, Rufus, House |
| Arnold, Capt. Alexander A., Farm |
| Arnold, E. Clarke and Julia, House |
| Arthur, L. J., House |
| Ashland County Courthouse |
| Ashland Harbor Breakwater Light |
| Astor Historic District |
| Astor on the Lake |
| Augustin, Gustav, Block |
| Babcock, Havilah, House |
| Bacon, Clara F., House |
| Badger Building |
| Badger State Shoe Company |
| Baer, Albert R., House |
| Baeten, John, Store |
| Baileys Harbor Range Light |
| Baileys Harbor Town Hall-McArdle Library |
| Bailie, Ralph C., House |
| Baird Law Office |
| Ballantine, James, House |
| Balzer, John, Wagon Works Complex |
| Bangor Commercial Historic District |
| Bank of Hartland |
| Bank of Washburn |
| Baptist Church |
| Baraboo Public Library |
| Barber, James, House |
| Barfield-Staples House |
| Barnes, Andrew, House |
| Barnes Block |
| Barney House |
| Barrett, Everett P., House |
| Barron, E.R., Building |
| Barron, Martin Van Buren, House |
| Bartlett Blacksmith Shop-Scandinavian Hotel |
| Bartlett Memorial Historical Museum |
| Barton Historic District |
| Bascom Hill Historic District |
| Bashford, Robert M., House |
| Baskerville Apartment Building |
| Baumann Block |
| Baumbach Building |
| Bayfield County Courthouse |
| Bayfield Fish Hatchery |
| Bayfield Historic District |
| Bayley Avenue Historic District |
| Bay View Historic District |
Data from United States Park Service and Wikidata
