The Basilica-Cathedral of St. John the Baptist in St. John's, Newfoundland and Labrador is the metropolitan cathedral of the Roman Catholic Archdiocese of St. John's, Newfoundland and the mother church and symbol of Roman Catholicism in Newfoundland. The building sits within the St. John's Ecclesiastical District, a National Historic District of Canada. The Basilica-Cathedral was the largest build... Wikipedia