All - Constructed - 1890–1899
| Tranquility Farm |
| Traphagen, Oliver G., House |
| Trenton Battle Monument |
| Trinity Episcopal Church |
| Trinity Episcopal Church |
| Trinity Episcopal Church |
| Trinity Episcopal Church |
| Troendle, Lucas, House |
| Trondhjem Norwegian Lutheran Church |
| Trosdahl, Erick, House |
| Trout, George and Virginia, House |
| Trumbull County Courthouse |
| Tuba Trading Post |
| Tulare Union High School Auditorium and Administration Building |
| Tuntland, Peder and Helga, Farmstead |
| Tuohino, Jacob and Amelia, Farm |
| Turner School |
| Turner-White Casket Co. Building |
| Turner, William Thomas, Barn |
| Turn-of-River Bridge |
| Turrets, The |
| Tutt Building |
| Twentythird Regiment Armory |
| Two Harbors Light Station |
| Tyler, Frank J., House |
| Tyler, William H., House |
| Underwriters Salvage Corps |
| Union Block |
| Union Block |
| Union Depot |
| Union Ferry Depot |
| Union Station |
| Union Trust Company Building |
| University of Louisville School of Medicine |
| University of Montana Historic District |
| University of Wisconsin Armory and Gymnasium |
| University of Wisconsin Dairy Barn |
| Upper Peninsula Brewing Company Building |
| U.S. Coast Guard Diamond Head Lighthouse |
| U.S. Post Office and Courthouse |
| Valdez, Narciso, House |
| Valentine Square |
| Vance, Kate and Charles Noel, House |
| Van Vleet, Lewis and Elizabeth, House |
| Vardy School Community Historic District |
| Varney School |
| Vashon Hardware Store |
| Veterans Home Chapel |
| Vickery Building |
| Victorian Apartments |
| Vilas, Joseph, Jr., House |
| Vives House |
| Vivian, Jr., J., and Company Building |
| Vollmer Building |
| Vorous General Store |
| Voss, Alfred R., Farmstead |
| Wainwright Tomb |
| Walden United Methodist Church |
| Waldo, Gertrude Rhinelander, Mansion |
| Walker, Samuel D., House |
| Wallace Building |
| Wallentine Farmstead |
| Walnut Street Bridge |
| Walser, Ulrich, House |
| Waltham Water Works Shop |
| Wapello County Courthouse |
| Ward Family House |
| Ward, George H. and Loretta, House |
| Ward, Roscoe P., House |
| Warner, Andrew J., House |
| Warner, Orlando W., House |
| Warren Block |
| Warren, H. M., School |
| Warren Opera House Block and Hetherington Block |
| Wascom House |
| Washburn, C.P., Grain Mill |
| Washington Avenue (Tenth Battalion) Armory |
| Washington County Courthouse |
| Washington Union High School |
| Washington, William B. and Julia, House |
| Waters House |
| Waterville Opera House and City Hall |
| Watkins School |
| Watlington, Benjamin, House |
| Watonwan County Courthouse |
| Watts Hospital |
| Waunakee Railroad Depot |
| Waverley Country Club Clubhouse |
| Wawbeek-Horace A.J. Upham House |
| Way, Dr. J. Howell, House |
| Wayland, Julius A., House |
| Weatherford Hotel |
| Webb, Elijah Thomas, House |
| Webster, Daniel, Memorial |
| Webster, John M., House |
| Webster Street Firehouse |
| Wechsler School |
| Weigle Barn |
| Weins Commercial Building |
| Weir Greenhouse |
Data from United States Park Service and Wikidata
