The religious complex is made up by the Old Sanctuary, the New sanctuary and the House of the Spiritual Exercises. The Old Sanctuary was built in 1626, replacing the little chapel built in memory of the Apparition of the Virgin Mary to Egidia Mathis in December 1336. The New Sanctuary was built in 1933 and contains a large painting of the apparition of the Virgin Mary by Piero delle Ceste.