In 1879, Mary Baker Eddy founded the Christian Science church, and it quickly spread to DC in 1895. After hosting their religious services in members’ homes and other denominations’ churches, the congregation decided to construct its own building.…

Constructed in 1962-65, the Washington Hilton was hailed for its sinuous massing, its use of column-and-slab construction throughout, and its uniform precast concrete wall panels—in sum, a sharp departure from local traditions. Architect William B.…