Missouri - Criteria: A (event)
| St. Charles Historic District |
| Steelcote Manufacturing Company Paint Factory |
| Ste. Genevieve Historic District |
| Steins, Jacob, House |
| St. Elizabeth Hospital |
| Stephens College, South Campus |
| St. Ferdinand's Shrine Historic District |
| St. Francis de Sales Church |
| St. Francois County Jail and Sheriff's Residence |
| Stickney, William A., Cigar Company Building |
| "Stix, Baer and Fuller Dry Goods Company's ""Grand Leader"" Relay Station" |
| St. James A.M.E. Church |
| St. James Chapel |
| St. Joe Lead Company Administration Building |
| St. John Nepomuk Parish Historic District |
| St. John's Evangelical Lutheran Church and Parochial School |
| St. John's Mercy Hospital Building |
| St. Joseph Church |
| St. Joseph City Hall |
| St. Joseph Public Library |
| St. Joseph Public Library-Carnegie Branch |
| St. Joseph's Commerce and Banking Historic District |
| St. Joseph's Roman Catholic Church |
| St. Liborius Church and Buildings |
| St. Louis and San Francisco Railroad Building |
| St. Louis Colored Orphans Home |
| St. Louis, Iron Mountain and Southern Railroad Depot |
| St. Louis, Iron Mountain and Southern Railroad Depot |
| St. Louis News Company |
| St. Louis Post-Dispatch Building |
| St. Louis Post-Dispatch Rotogravure Printing Plant |
| St. Louis-San Francisco Railroad Depot |
| St. Louis Stamping Company Buildings |
| St. Louis Theatre |
| St. Louis Union Station |
| St. Luke's Plaza Apartments |
| St. Mark the Evangelist Catholic Church, Convent and Academy |
| St. Mary of Victories Church |
| St. Mary's Church |
| St. Mary's Episcopal Church |
| St. Mary's Institute of O'Fallon |
| St. Mary's of the Barrens Historic District |
| St. Matthew's Chapel A.M.E. Church |
| Stockton Community Building |
| Stoddard County Courthouse |
| Stone Chapel |
| Stone County Courthouse |
| Stone Houses |
| Stork Inn |
| St. Paul A.M.E. Church |
| St. Paul Block |
| St. Paul Catholic Church |
| St. Paul's Church |
| St. Paul's Episcopal Church |
| St. Peter's Catholic Church |
| St. Philip's Episcopal Church |
| St. Stanislaus Kostka Church |
| St. Stanislaus Seminary |
| Studna Garage Building |
| Stumbaugh Post No. 180 GAR Hall |
| St. Vincent's College Building |
| St. Vincent's Hospital |
| Sugar Lake State Park Open Shelter |
| Summer Public School |
| Sutter-Meyer House |
| Switzer School Buildings |
| Sylvan School |
| Taille de Noyer |
| Tamm, George, Building |
| Tandy Community Center |
| Tavern Cave |
| Taylor-Olive Building |
| Temple Site |
| Ten Main Center |
| Thias, Henry C., House |
| Thiebe-Stierlin Music Company Building |
| Thilenius, Col, George C., House |
| Thomas, Albert and Wilhelmina, House |
| Tiger Hotel |
| Toll, Alfred, House |
| Tom Town Historic District |
| Tower Rock |
| Townley Metal & Hardware Company Building |
| Travelers Hotel |
| Trenton High School |
| Trinity Episcopal Church |
| Tucker, Lee, House |
| Turner-Pharr House |
| Tuxedo Park Station |
| TWA Administrative Offices Building |
| TWA Corporate Headquarters' Building |
| Twelker, Christopher and Johanna, Farm |
| Twenty-Twenty Grand Building |
| Union Cemetery |
| Union Depot Railroad Co. Building |
| Union Electrict Administration Building-Lakeside |
| Union Station Post Office Annex |
| Unionville Square Historic District |
| Unitarian Church of the Messiah |
| United Shoe Machinery Building |
Data from United States Park Service and Wikidata
