This monumental 18th-century basilica, built in neoclassical style, has the largest dome in Spain and the fourth largest in Europe. Inside, it houses an impressive collection of paintings by Spanish artists from the 18th and 19th centuries, including Goya, Velázquez, Zurbarán, Plasencia, Jover, Carducci, and more.

Entrance: €5 (free on Thursdays)