The Car Barn is a historic building in the Georgetown neighborhood of Washington, D.C. Designed by the American architect Waddy Butler Wood, it was built between 1895 and 1897 by the Capital Traction Company as a union terminal for several Washington and Virginia streetcar lines. The Exorcist steps, later named after their appearance in William Friedkin's 1973 horror film The Exorcist, were built during the initial construction to connect M Street with Prospect Street. Almost immediately after its construction, it was converted to accommodate electric streetcars. The building has undergone several renovations, the most extensive in 1911, when the original Romanesque Revival façade was significantly modified and the interior was almost completely gutted. Changing ownership over time, it maintained its original function of housing streetcars until 1950, when it was redeveloped as office space. Today, it is used as an academic building by Georgetown University. (Full article...)