The Basilica of the National Shrine of the Immaculate Conception is the largest Roman Catholic church in the United States and is one of the largest churches in the world. The National Shrine is designated by the United States Conference of Catholic Bishops as a National Sanctuary of Prayer and Pilgrimage. It boasts the largest collection of contemporary ecclesiastical art in the world. The National Shrine is open 365 days a year and features daily guided tours
and operates a Catholic Gift Shop, a Catholic Book Store, and a cafeteria.
400 Michigan Avenue NE
Washington, DC 20017