Take a tour of St. Joseph's Oratory in Montreal, Canada – part of the World’s Greatest Attractions travel video series by GeoBeats. St. Joseph's Oratory sits on the slope of Montreal's Mount Royal. The Roman Catholic Basilica was founded in 1904. Its dome is one of the largest of its kind in the world. St. Joseph, the church's namesake, is said to have performed miracles here. Pilgrims visit the site because of its reputation as a place of healing. It is a National Historic Site of Canada, and has over 2 million visitors annually.