Feature Name | Class | Elev.
meters | County | Latitude
DMS | Longitude
DMS |
| Theodore Roosevelt House | Building | 21 | District of Columbia | 38 54 24 N | 077 02 33 W |
| Theodore Roosevelt Island | Island | 8 | District of Columbia | 38 53 44 N | 077 03 43 W |
| Theodore Roosevelt Memorial | Park | 11 | District of Columbia | 38 53 49 N | 077 03 49 W |
| Theodore Roosevelt Memorial Bridge | Bridge | 3 | District of Columbia | 38 53 31 N | 077 03 39 W |
| Theological College | Building | 60 | District of Columbia | 38 55 52 N | 076 59 55 W |
| Theological College | School | 60 | District of Columbia | 38 55 52 N | 076 59 55 W |
| Thirteenth Street Church of Christ | Church | 57 | District of Columbia | 38 55 43 N | 077 01 48 W |
| Thomas Beall House | Locale | 32 | District of Columbia | 38 54 25 N | 077 03 37 W |
| Thomas Circle | Locale | 26 | District of Columbia | 38 54 20 N | 077 01 55 W |
| Thomas Circle | Populated Place | 27 | District of Columbia | 38 54 22 N | 077 01 44 W |
| Thomas Cramphin Building | Building | 20 | District of Columbia | 38 54 18 N | 077 03 51 W |
| Thomas Elementary School | School | 5 | District of Columbia | 38 54 04 N | 076 57 08 W |
| Thomas Hopkins Gallaudet Statue | Park | 22 | District of Columbia | 38 54 23 N | 076 59 22 W |
| Thomas Jefferson Building | Building | 28 | District of Columbia | 38 53 19 N | 077 00 20 W |
| Thomas Law House | Building | 4 | District of Columbia | 38 52 29 N | 077 01 07 W |
| Thomas Main House | Building | 34 | District of Columbia | 38 55 00 N | 077 05 54 W |
| Thomas Nelson Page House | Building | 26 | District of Columbia | 38 54 45 N | 077 02 26 W |
| Thomas Parrot House | Building | 37 | District of Columbia | 38 54 30 N | 077 04 11 W |
| Thomas Robertson House | Building | 19 | District of Columbia | 38 54 19 N | 077 03 42 W |
| Thomas Sim Lee Corner | Building | 27 | District of Columbia | 38 54 29 N | 077 03 34 W |
| Thompsons Bridge (historical) | Bridge | 5 | District of Columbia | 38 55 07 N | 077 03 21 W |
| Thomson Elementary School | School | 26 | District of Columbia | 38 54 12 N | 077 01 43 W |
| Three Servicemen Statue | Park | 10 | District of Columbia | 38 53 34 N | 077 02 59 W |
| Three Sisters Islands | Island | 2 | District of Columbia | 38 54 14 N | 077 04 48 W |
| Tiber Creek (historical) | Stream | | District of Columbia | 38 53 26 N | 077 02 21 W |
| Tidal Basin | Locale | 1 | District of Columbia | 38 53 01 N | 077 02 20 W |
| Tidal Basin Boathouse | Building | 1 | District of Columbia | 38 53 04 N | 077 02 10 W |
| Tidewater Lock | Dam | 2 | District of Columbia | 38 53 58 N | 077 03 27 W |
| Tifereth Israel Temple | Church | 58 | District of Columbia | 38 55 25 N | 077 01 57 W |
| Tiger Bridge | Bridge | 34 | District of Columbia | 38 56 17 N | 077 02 11 W |
| Titanic Memorial | Park | 3 | District of Columbia | 38 52 20 N | 077 01 09 W |
| Tivoli Theatre | Building | 59 | District of Columbia | 38 55 49 N | 077 01 58 W |
| Todd Building | Building | 7 | District of Columbia | 38 53 47 N | 077 01 38 W |
| Tohoga (historical) | Populated Place | 11 | District of Columbia | 38 54 10 N | 077 03 44 W |
| Tompkins Hall of Engineering | Building | | District of Columbia | 38 53 56 N | 077 02 59 W |
| Torch of Learning Sculpture | Park | 28 | District of Columbia | 38 53 20 N | 077 00 19 W |
| Tourist Information Center | Building | 5 | District of Columbia | 38 53 42 N | 077 01 59 W |
| Toutorsky Mansion | Building | 26 | District of Columbia | 38 54 46 N | 077 02 13 W |
| Tower Building | Building | 20 | District of Columbia | 38 54 10 N | 077 01 56 W |
| Town and Country Club (historical) | Locale | 71 | District of Columbia | 38 57 00 N | 077 01 15 W |
| Towpath Row | Building | 10 | District of Columbia | 38 54 15 N | 077 03 38 W |
| Trans-Lux Building (historical) | Building | 15 | District of Columbia | 38 53 57 N | 077 01 55 W |
| Trans-Lux Theatre (historical) | Building | 15 | District of Columbia | 38 53 58 N | 077 01 56 W |
| Transpoint Building | Building | 5 | District of Columbia | 38 52 05 N | 077 00 50 W |
| Treasury Annex | Building | 19 | District of Columbia | 38 54 00 N | 077 02 04 W |
| Treasury Square Rowhouses (historical) | Building | 7 | District of Columbia | 38 53 46 N | 077 02 00 W |
| Tregaron | Building | 86 | District of Columbia | 38 55 53 N | 077 03 38 W |
| Tregaron | Building | 76 | District of Columbia | 38 55 48 N | 077 03 39 W |
| Trinidad | Populated Place | 31 | District of Columbia | 38 54 20 N | 076 59 04 W |
| Trinidad Playground | Park | 31 | District of Columbia | 38 54 24 N | 076 58 55 W |
| Trinidad Recreation Center | Park | 30 | District of Columbia | 38 54 22 N | 076 58 57 W |
| Trinity African Methodist Episcopal Zion Church | Church | 58 | District of Columbia | 38 56 04 N | 077 02 10 W |
| Trinity Church (historical) | Church | 8 | District of Columbia | 38 53 38 N | 077 00 55 W |
| Trinity College | School | 55 | District of Columbia | 38 55 38 N | 077 00 15 W |
| Trinity Episcopal Church | Church | 93 | District of Columbia | 38 58 32 N | 077 01 15 W |
| True Gospel Baptist Church | Church | 32 | District of Columbia | 38 55 08 N | 077 01 40 W |
| True Holiness Church of Christ | Church | 42 | District of Columbia | 38 53 22 N | 076 55 00 W |
| True Reformer Building | Building | 30 | District of Columbia | 38 55 01 N | 077 01 42 W |
| Truesdell Elementary School | School | 63 | District of Columbia | 38 57 14 N | 077 01 27 W |
| Trumbull Row (historical) | Building | 27 | District of Columbia | 38 53 25 N | 077 00 16 W |
| Truxton Circle | Populated Place | 22 | District of Columbia | 38 54 35 N | 077 00 54 W |
| Truxtun-Decatur Museum | Building | 20 | District of Columbia | 38 54 00 N | 077 02 21 W |
| Tubman Elementary School | School | 58 | District of Columbia | 38 55 44 N | 077 01 45 W |
| Tuburculosis Hospital | Hospital | 56 | District of Columbia | 38 56 34 N | 077 02 07 W |
| Tudor Place | Building | 48 | District of Columbia | 38 54 41 N | 077 03 45 W |
| Tudor Place Foundation | Locale | 48 | District of Columbia | 38 54 41 N | 077 03 45 W |
| Tunlaw Heights (historical) | Populated Place | 108 | District of Columbia | 38 55 45 N | 077 04 34 W |
| Tunnicliffs Tavern (historical) | Building | 23 | District of Columbia | 38 53 00 N | 076 59 37 W |
| Turkey Buzzard Plantation (historical) | Civil | 2 | District of Columbia | 38 52 40 N | 077 00 44 W |
| Turkey Thicket Playground | Park | 40 | District of Columbia | 38 56 15 N | 076 59 33 W |
| Turkey Thicket Recreation Center | Park | 38 | District of Columbia | 38 56 18 N | 076 59 34 W |
| Turner Elementary School | School | 61 | District of Columbia | 38 50 52 N | 076 58 47 W |
| Turner Memorial African Methodist Episcopal Church | Church | 15 | District of Columbia | 38 54 02 N | 077 01 13 W |
| Turner Playground | Park | 63 | District of Columbia | 38 50 57 N | 076 58 50 W |
| Tuttle House (historical) | Building | 51 | District of Columbia | 38 54 55 N | 077 02 55 W |
| Twentieth Street Post Office | Post Office | 21 | District of Columbia | 38 54 23 N | 077 02 43 W |
| Twin Oaks | Building | 47 | District of Columbia | 38 55 33 N | 077 03 06 W |
| Twin Oaks Garden Recreation Center | Park | 52 | District of Columbia | 38 56 27 N | 077 01 58 W |
| Twin Oaks Playground | Park | 53 | District of Columbia | 38 56 26 N | 077 01 57 W |
| Twining | Populated Place | 31 | District of Columbia | 38 52 18 N | 076 57 57 W |
| Twining School (historical) | School | 24 | District of Columbia | 38 54 28 N | 077 00 54 W |
| Twining Square | Park | 11 | District of Columbia | 38 52 26 N | 076 58 14 W |
| Tyler Elementary School | School | 20 | District of Columbia | 38 52 51 N | 076 59 32 W |
| Tyler House (historical) | Building | 3 | District of Columbia | 38 53 26 N | 077 01 03 W |
| Tyler Vision Program | School | 20 | District of Columbia | 38 52 51 N | 076 59 32 W |
| U Street/African-Amer Civil War Memorial/Cardozo Metro Station | Locale | 32 | District of Columbia | 38 55 03 N | 077 02 00 W |
| Uline Arena | Building | 16 | District of Columbia | 38 54 18 N | 077 00 10 W |
| Unanue House | Building | 64 | District of Columbia | 38 56 11 N | 076 59 55 W |
| Uncle Beazley Sculpture | Park | 7 | District of Columbia | 38 53 25 N | 077 01 33 W |
| Union Bethel Methodist Episcopal Church | Church | 21 | District of Columbia | 38 54 19 N | 077 02 08 W |
| Union Center Plaza North Building | Building | 10 | District of Columbia | 38 54 07 N | 077 00 31 W |
| Union Center Plaza South Building | Building | 9 | District of Columbia | 38 54 04 N | 077 00 31 W |
| Union Chapel | Church | 21 | District of Columbia | 38 54 00 N | 077 02 43 W |
| Union Fire Company (historical) | Building | 22 | District of Columbia | 38 54 03 N | 077 02 37 W |
| Union Hotel (historical) | Building | 21 | District of Columbia | 38 54 18 N | 077 03 57 W |
| Union Market | Building | 26 | District of Columbia | 38 54 28 N | 076 59 54 W |
| Union Methodist Church | Church | 21 | District of Columbia | 38 54 00 N | 077 02 43 W |
| Union Plaza Dormitories (historical) | Building | 16 | District of Columbia | 38 53 36 N | 077 00 34 W |
| Union Square | Park | 4 | District of Columbia | 38 53 22 N | 077 00 52 W |
| Union Station | Building | 16 | District of Columbia | 38 53 52 N | 077 00 22 W |
| Union Station Metro Station | Locale | 15 | District of Columbia | 38 53 50 N | 077 00 27 W |
| Union Station Plaza | Park | 16 | District of Columbia | 38 53 36 N | 077 00 34 W |
| Union Station Shopping Center | Locale | 15 | District of Columbia | 38 53 55 N | 077 00 23 W |
| Union Station Visitor Center | Locale | 15 | District of Columbia | 38 53 55 N | 077 00 23 W |
| Union Stock Yards (historical) | Locale | 14 | District of Columbia | 38 53 28 N | 076 57 14 W |
| Union Tavern (historical) | Building | 15 | District of Columbia | 38 54 19 N | 077 03 33 W |
| Union Trust Company | Building | 18 | District of Columbia | 38 54 00 N | 077 02 01 W |
| Union Wesley African Methodist Episcopal Zion Church | Church | 26 | District of Columbia | 38 56 46 N | 076 58 44 W |
| Union Wesley Chapel | Church | 18 | District of Columbia | 38 54 14 N | 077 02 59 W |
| Uniontown Station (historical) | Locale | 5 | District of Columbia | 38 51 57 N | 076 59 28 W |
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