The Cathedral-Basilica of Our Lady of the Pillar, located in Zaragoza, Aragon, is not only a significant religious site but also an architectural marvel. It stands as a jewel of Baroque art, with construction spanning from the 17th to the 18th centuries. Inside, one can find the Santa Capilla, designed by Ventura Rodríguez, which houses an image of the Virgen del Pilar. The basilica is also home to a collection of valuable art, including frescoes painted by the renowned Spanish artist Francisco Goya.