All - Architectural style - Neoclassical architecture
| Thomas Brothers Store |
| Thomas-Carithers House |
| Thomas, Dr. A. O., House |
| Thomas Jefferson Memorial |
| Thomas, Oscar P., House |
| Thompson, Charles, Memorial Hall |
| Thompson, D. H., House |
| Thompson, Hannah C. and Peter E., House |
| Thompson, N. Q. and Virginia M., House |
| Thompson, Sen. William H., House |
| Thornton Hospital |
| Tichner, Abraham, House |
| Ticknor, Heman L., House |
| Tifereth Israel Synagogue |
| Tilden, Luther F., House |
| Tillar, Frank, Memorial Methodist Episcopal Church, South |
| Tinker, C.H., House |
| Tippecanoe County Courthouse |
| Tipton State Bank |
| Title & Trust Company of Florida Building |
| Tolland County Courthouse |
| Toltec, The |
| Tom Green County Courthouse |
| Tonapah Liquor Company Building |
| Tonkawa Lodge No. 157 A.F. & A.M. |
| Tooele Carnegie Library |
| Toole, John R., House |
| Towanda Masonic Lodge No. 30 A.F. and A.M. |
| Town Hall |
| Townsend, George, House |
| Tracy Memorial Village Hall Complex |
| Trenton |
| Trenton Central Office of the Bell Telephone Company |
| Trenton High School |
| Treutlen County Courthouse |
| Tribble, Dr. Albert H., House |
| Trigg, W. S. and Mary, House |
| Trinity Evangelical Church |
| Trinity Hospital |
| Trinity Methodist Episcopal Church |
| Triune Masonic Temple |
| Troy Waste Manufacturing Company Building |
| Tuckahoe Apartments |
| Tulsa Municipal Building |
| Tuolumne County Courthouse |
| Turkey Hill Grange Hall |
| Turlock Carnegie Library |
| Turner County Courthouse |
| Turner, Francis A. and Rose M., House |
| Turner School |
| Turtle Creek High School |
| Tuscawilla |
| Tuskegee Veterans Administration Hospital |
| Twin Maples |
| Two Harbors Carnegie Library |
| Twohy Building |
| Tyler City Hall |
| Tyler County Courthouse and Jail |
| Tyler, Mary Elizabeth, House |
| Tyler US Post Office and Courthouse |
| Tyronza Methodist Episcopal Church, South |
| Ulysses Simpson Grant Elementary School |
| Undulata |
| Union Chapel |
| Union County Courthouse |
| Union County Courthouse |
| Union Electric Telephone & Telegraph |
| Union High School-Main Street Grammar School |
| Union Hotel |
| Union National Bank and Annex |
| Union Pacific Railroad Passenger Depot |
| Union Savings Bank and Trust |
| Union Station |
| Union Station |
| Union Temple of Brooklyn |
| Union Trust Bank Company Building |
| Union Trust Building |
| Union Trust Company Building |
| Union Trust & Deposit Co./Union Trust National Bank |
| United Bank Building |
| United Motor Service Building |
| United States Courthouse and Custom House |
| United States Parcel Post Station |
| United States Playing Card Company Complex |
| United States Post Office |
| United States Post Office and Courthouse |
| United States Post Office and Courthouse |
| United States Post Office and Courthouse |
| United States Post Office and Court House |
| United States Post Office and Court House |
| United States Post Office and Court House |
| United States Post Office and Court House |
| United States Post Office and Courthouse-Montgomery |
| United States Post Office and Federal Courthouse |
| United States Post Office-Belvidere |
| United States Post Office-Chicago |
| United States Post Office, Court House and Custom House |
| United States Post Office-Kansas City |
| United States Post Office-Punxsutawney |
| United States Post Office, Westport, Connecticut |
Data from United States Park Service and Wikidata
