Mentioned by MTL Blog
25 Iconic Montreal Buildings That Are Architectural Masterpieces
"Why: Located in Côte-des-Neiges, right atop the Mount Royal, Saint Joseph's Oratory is one of Canada's largest churches and a National Historic Site of Canada. Construction was completed in 1966 and its dome is the third-largest of its kind, only after the Basilica of Our Lady of Peace of Yamoussoukro in Côte d’Ivoire and Saint Peter’s Basilica in Rome."