Fraser Mansion

The Fraser Mansion is a building at 1701 20th Street NW, at the intersection of Connecticut Avenue, 20th Street, and R Street in the Dupont Circle neighborhood of Washington, D.C. Since its construction in 1890, the mansion has served as a private residence, a restaurant, a boarding house, the home of the Founding Church of Scientology, and—currently—the location of Scientology's National Affairs office.The mansion was listed on the National Register of Historic Places in 1975.

Source: Wikipedia