The National Shrine of the Immaculate Conception is located in Washington, D.C., and is the largest Catholic church in the United States. It serves as a prominent place of worship and pilgrimage, dedicated to the Virgin Mary under her title of the Immaculate Conception. The shrine features stunning architecture and beautiful mosaics, attracting visitors from around the world. Completed in 2017, the shrine is part of the Catholic Church and is affiliated with the Archdiocese of Washington. It hosts various religious events, including Masses and special celebrations, and offers educational resources about the Catholic faith and the significance of the Immaculate Conception.