Basilica of the National Shrine of the Immaculate Conception - Largest Catholic Church in North America

The Basilica of the National Shrine of the Immaculate Conception was built beginning in 1920 and is recognized as the largest Roman Catholic church in North America. The basilica houses hundreds of chapels and mosaics representing diverse Catholic traditions and serves as a national place of pilgrimage and liturgy. It was designated a minor basilica and is listed on the National Register of Historic Places.