State, War, And Navy Building - View this location on map  Constructed (1871-88) for the State, War, and Navy Departments in the Second Empire version of the French Renaissance style. A complex Mansard roof caps tiers of hooded windows and columns; elaborate gaslight chandeliers, carved mantels, and spiraling staircases decorate the interior. Currently closed to the public due to security concerns. Southeast corner, Pennsylvania Avenue and 17th Street,NW, Washington, District of Columbia Historical |