Saint Peter's Basilica - St. Peter's Basilica
Saint Peter's Basilica is one of the four largest churches in the Vatican. The full name of this structure is the Apostolic Basilica of Saint Peter, but is sometimes referred to as the Basilica of Saint Peter or the Church of Saint Peter. It can be said that this is the most recognizable and famous cathedral in the world. Peter's Church is a symbol of strength and witness to the decline of Catholicism. Officially opened on November 18, 1626, St Peter's Basilica has become one of Catholicism's holiest sites and one of the world's top tourist attractions for the past 400 years.