Wisconsin - Constructed - 1890–1899
| Polk County Courthouse |
| Porter, Walworth D., Duplex Residence |
| Prairie du Chien City Hall |
| Reedsburg Woolen Mill Office |
| Riggert, William, House |
| Risum Round Barn |
| Robertson, John A. and Martha, House |
| Roe, Ole K., House |
| Salsbury Row House |
| Schendel, Reinhard and Amelia, House |
| Schuster, George, House and Carriage Shed |
| Shoop Building |
| Smith, Charles R., House |
| Smith, Henry Spencer, House |
| South Hall, River Falls State Normal School |
| Stebbins, Edward N. and Mary T., House |
| Steensland, Halle, House |
| St. John of God Roman Catholic Church, Convent, and School |
| St. Joseph's Chapel |
| St. Lawrence Catholic Church |
| St. Lucas Evangelical German Lutheran Church and Cemetery |
| St. Mary's Catholic Church |
| Stolte, William, Jr., House |
| St. Patrick's Roman Catholic Church |
| St. Peter's and St. Joseph's Catholic Churches |
| Sturgeon Bay Canal Lighthouse |
| Thompson, Erick J., House |
| University of Wisconsin Armory and Gymnasium |
| University of Wisconsin Dairy Barn |
| Veterans Home Chapel |
| Vilas, Joseph, Jr., House |
| Vorous General Store |
| Walser, Ulrich, House |
| Waunakee Railroad Depot |
| Wawbeek-Horace A.J. Upham House |
| White, F. F., Block |
| Whitewater Hotel |
| Whitewater Passenger Depot |
| Williams Free Library |
| Wilmarth School |
| Wisconsin State Reformatory |
Data from United States Park Service and Wikidata
