The Catedral de Lugo, also known as Saint Mary's Cathedral, is a remarkable Roman Catholic church located in Lugo, Galicia, Spain. Erected in the early 12th century, it showcases a blend of Romanesque, Gothic, Baroque, and Neoclassical architectural styles. Not only is it a place of worship, but it's also a historical monument, having been designated as part of the UNESCO World Heritage Site Routes of Santiago de Compostela. The cathedral holds the unique privilege granted by the Pope to permanently expose the Holy Sacrament, reflecting its importance in the religious and cultural tapestry of the region.