King Carlos IV laid the first stone during construction of this chapel.

The site of a legendary battle immortalized in medieval literature.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

A statue of a boy looks up at where the famous rival to the Leaning Tower of Pisa once stood.

Spain's largest bullring offers a unique glimpse at architecture and history.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

This Roman arena once played host to bloody gladiatorial battles.

This Gothic church houses ornate royal tombs and a magnificent gilded altarpiece.

A pair of gigantic baby heads greet passengers at Atocha Station.

Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.

The grotto where Saint Ignatius of Loyola lived as a hermit for nearly a year.

On the wall of this medieval square, a symbol of the Spanish Inquisition.

This stop on the Camino de Santiago stands high above the underwater ruins of a medieval town.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

This magnificent market stands as a poignant symbol of the suffering caused by the Spanish Civil War.

Living towers made of people that are now recognized by UNESCO.

The most elaborate of 12 medieval arched doorways to the old city of Burgos.

Long tunnels run under the ancient chariot racing circuit to the tower.

This enormous censer uses a pulley system installed over 400 years ago.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.