Medieval pilgrims walked for months to Santiago Cathedral, home of the relics of St. James. It has a Baroque facade and magnificent Romanesque portals.

The Temple Expiatori de la Sagrada Família is a magnificent basilica designed by celebrated Art Nouveau architect Antoni Gaudi. It remains unfinished, with estimated completion in 2026.

Located atop a rugged mountain near Barcelona, this popular pilgrimage destination has attracted pilgrims since the 12th century, who come to venerate the miraculous Black Madonna.

Located in northwest Spain along the Camino de Santiago, León Cathedral was built in a French Gothic style in the 13th century.

The Mezquita of Cordoba is a beautiful and fascinating 8th-century mosque that symbolizes the religious changes Cordoba has undergone over the centuries. It is now used as a cathedral.

The most accessible of Seville's 17 active woman's convents, Santa Paula was built in 1475 in a mixture of Gothic, Mudejar and Renaissance styles.

The ancient aqueduct in Segovia is not a religious site, but it is such a magnificent monument that we can't bear to leave it out! Built in the 1st century AD, it is one of the best-preserved in the world.

An attractive 13th-century Romanesque church outside the old walls near the aqueduct. Inside are Romanesque frescoes.