Wisconsin - Criteria: A (event)
| Soldiers' Home Reef |
| Soo Line Depot |
| Soo Line Depot |
| Soo Line High Bridge |
| South Branch Library |
| South Hall, River Falls State Normal School |
| South Main Street Historic District |
| South Main Street Historic District |
| South Main Street Historic District |
| South Milwaukee Passenger Station |
| Southport Beach House |
| South Washington Street Historic District |
| Star Theatre |
| State Bank of Wisconsin |
| Steensland, Halle, House |
| Stevens, Breese, Municipal Athletic Field |
| St. Gregory's Church |
| St. James Episcopal Church |
| St. John Mine |
| St. John of God Roman Catholic Church, Convent, and School |
| St. John's Military Academy |
| St. John's Roman Catholic Cathedral |
| St. John the Baptist Catholic Church |
| St. Josaphat Basilica |
| St. Joseph's Catholic Church Complex |
| St. Joseph's Roman Catholic Church |
| St. Lawrence Catholic Church |
| St. Mary's Catholic Church |
| St. Mary's Convent |
| St. Mary's Roman Catholic Church |
| St. Matthew's Episcopal Church |
| St. Matthias Mission |
| Stockridge Indian Cemetery |
| Stoner, Joseph J., House |
| Stony Hill School |
| Stoughton High School |
| Stoughton Universalist Church |
| Stowell, Israel, Temperance House |
| St. Peter's and St. Joseph's Catholic Churches |
| St. Peter's Roman Catholic Church |
| Sturgeon Bay Canal Lighthouse |
| St. Wenceslaus Roman Catholic Church |
| Sunnyhill Home |
| Sun Prairie Water Tower |
| Superior Entry South Breakwater Light |
| Taliesin |
| Tank Cottage |
| Taylor County Courthouse |
| Taylor, David, House |
| Temple Beth Israel |
| Temple Zion and School |
| Tenney Park-Yahara River Parkway |
| Tester and Polin General Merchandise Store |
| Teweles and Brandeis Grain Elevator |
| Third Avenue Historic District |
| Third Avenue Historic District |
| Third Ward School |
| Thomas, I. C., Drug Store |
| Thompson House Hotel |
| Thorp, Freeman and Jesse, House and Cottages |
| Thrasher's Opera House |
| Town of Milwaukee Town Hall |
| Trimborn Farm |
| Trinity Evangelical Lutheran Church |
| Tripoli Temple |
| Turner Hall |
| Turtleville Iron Bridge |
| Union Auto Company |
| Union Depot |
| Union House Hotel |
| United Unitarian and Universalist Church |
| University Hill Farms Historic District |
| University of Wisconsin Armory and Gymnasium |
| University of Wisconsin Dairy Barn |
| University of Wisconsin Field House |
| University of Wisconsin Memorial Union |
| University of Wisconsin Science Hall |
| US Post Office and Courthouse |
| US Post Office, Former |
| USS COBIA (submarine) |
| Van Hise Rock |
| Vernon County Courthouse |
| Vertefeuille, Francois, House |
| Veterans Cottages Historic District |
| Veterans Home Chapel |
| Vincent-McCall Company Building |
| Voigt, Jacob, House |
| Vorous General Store |
| Wade, Sylvanus, House |
| Wahle-Laird House |
| Wakeley-Giles Commercial Building |
| Walker's Point Historic District |
| Ward Memorial Hall |
| Washburn Observatory and Observatory Director's Residence |
| Washington Avenue Historic District |
| Washington Highlands Historic District |
| Washington Park Clubhouse |
| Waterloo Downtown Historic District |
| Water Street Commercial Historic District |
| Water Street Historic District |
Data from United States Park Service and Wikidata
