San Nicolás Cathedral
2 Plaza de Abad Penalva
San Nicolás CathedralDon’t let the simplicity of the facade fool you: The grand San Nicolás Cathedral has a glorious interior. Enter and marvel at the grand pipe organ and immaculate altar—and if you're lucky, the music that floods the cathedral during mass. The Holy Communion Chapel with its awe-inspiring 45-meter-high dome is an iconic piece of Spanish Baroque design.