The Sanctuary of Our Lady of Lourdes is a renowned Catholic pilgrimage site located in Lourdes, France. It was established in 1858 after Bernadette Soubirous reported visions of the Virgin Mary. The sanctuary includes the famous grotto where the apparitions occurred, as well as several churches and a large basilica. Each year, millions of visitors come to the sanctuary to pray, seek healing, and participate in religious ceremonies. The site is particularly known for its healing waters, which many believe have miraculous properties. The sanctuary serves as a place of hope and faith for people from around the world.