Shrine of Our Lady of Lourdes
The National Shrine Grotto of Our Lady of Lourdes is a Catholic national shrine devoted to Our Blessed Mother Mary. Located on the campus of Mount St. Mary's University (est 1808 by Rev. John DuBois), the Grotto cave was built by seminarians from Mount St. Mary's Seminary in 1875. The Seminary of the second oldest Catholic seminary in the United States.