Massachusetts - Area of significance: Transportation
| Three Sisters of Nauset (Twin Lights) |
| Tremont Street Subway |
| Truman Parkway-Metropolitan Park System of Greater Boston |
| Twin Lights Historic District-Cape Ann Light Station |
| Twitchell, Ginery, House |
| Union Railway Car Barn |
| Union Station |
| Union Station |
| Union Station |
| Union Station |
| Union Street Railway Carbarn, Repair Shop |
| Union Wharf |
| United States Whip Company Complex |
| U.S.S. JOSEPH P. KENNEDY JR. (DD-850) |
| U.S.S. LIONFISH |
| U.S.S. MASSACHUSETTS |
| Uxbridge Passenger Depot |
| Van Deusen, H. M., Whip Company |
| VFW Parkway, Metropolitan Park System of Greater Boston |
| Wellesley Farms Railroad Station |
| Wenham Historic District |
| West Chop Light Station |
| West Hatfield Historic District |
| West Roxbury Parkway, Metropolitan Park System of Greater Boston |
| Whitney Tavern |
| Williamsburg Center Historic District |
| Williamstown Rail Yard and Station Historic District |
| Winchester Square Historic District |
| Wing's Neck Light |
| Winthrop Parkway, Metropolitan Parkway System of Greater Boston |
| Winthrop Shore Dr., Metropolitan Park System of Greater Boston |
| Wood End Light Lookout Station |
| Wood, Ezra-Levi Warner Place |
| Woodland, Newton Highlands, and Newton Centre Railroad Stations, and Baggage and Express Building |
| Woodward, William, House |
Data from United States Park Service and Wikidata
