Wisconsin - Criteria: C (architecture/engineering)
| 10th and Cass Streets Neighborhood Historic District |
| 23rd and 24th Streets Historic District |
| Adams County Courthouse |
| Adelman, Albert and Edith, House |
| A. D. German Wholesale Company and Warehouse, Additional Documentation |
| 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 |
| Algoma Boulevard Historic District |
| Algoma Boulevard Methodist Church |
| Allen, Abram, House |
| Allis, Charles, House |
| Allouez Pump House |
| Allouez Water Department and Town Hall |
| All Saints' Episcopal Cathedral Complex |
| Allyn, A. H., House |
| Alma Historic District |
| American Exchange Bank |
| American System Built Homes-Burnham Street District |
| Ames, Francis Marian, Farmstead |
| Anderson, Brady and Waldermar Ager House |
| Anderson, Mons, House |
| Annala Round Barn |
| Annunciation Greek Orthodox Church |
| Antigo Depot |
| Antigo Post Office |
| Antigo Public Library and Deleglise Cabin |
| Anvil Lake Campground Shelter |
| Apfel, George, Round Barn |
| Appleton City Park Historic District |
| Appleton Lock 4 Historic District |
| Appleton Locks 1-3 Historic District |
| APPOMATTOX (Shipwreck) |
| Arcadia Free Public Library |
| Arlington Apartments |
| Armstrong Creek Bridge |
| 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 |
| Babcock, Havilah, House |
| Bacon, Clara F., House |
| Badger Building |
| Badger State Shoe Company |
| Baeten, John, Store |
| Baileys Harbor Range Light |
| Baileys Harbor Town Hall-McArdle Library |
| Baird Law Office |
| Ballantine, James, House |
| Balzer, John, Wagon Works Complex |
| Bank of Hartland |
| Bank of Washburn |
| Baptist Church |
| Barber, James, House |
| Barnes Block |
| Barrett, Everett P., House |
| Barron, Martin Van Buren, House |
| Barteau Bridge |
| Barton Historic District |
| Bascom Hill Historic District |
| Bashford, Robert M., House |
| Baskerville Apartment Building |
| Baumbach Building |
| Bayfield County Courthouse |
| Bayfield Fish Hatchery |
| Bayfield Historic District |
| Bayley Avenue Historic District |
| Bay View Historic District |
| Beals, Edward D. & Vina Shattuck, House |
| Beaser School |
| Beaumont Hotel |
| Beck, Michael and Margaritha, Farmstead |
| Beckwith, Nelson F., House |
| Bedrud-Olson Farmstead |
| Beebe House |
| Bekkedal Leaf Tobacco Warehouse |
| Bellack, Albert M. and Alice, House |
| Belleville Illinois Central Railroad Depot |
| Bellevue Apartment Building |
| Bell, John and Margaret, House |
| Bell, Marcus Sears, Farm |
| Bellmont Hotel |
| Belmont Hotel |
| Beloit Water Tower |
| Benn, J. W., Building |
| Benton Stone Water Tower |
| Bergstrom, George O., House |
| Berkshire Block |
| Berlin High School |
| Berlin Post Office |
| Bernd, William J., House |
Data from United States Park Service and Wikidata