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

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

A Spanish town built into the cliffs.

This surreal-looking tree pruned more than 1,000 years ago is still producing olives for oil.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Touching this little fossil embedded in the wall of a grand mosque-cathedral may make your wishes come true.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

Giant topiary dog once played a role in a terrorist bomb plot.

This beautiful spit of land was once the summer playground of the king of Spain.

Rare karst landscape eroded from a flat seabed.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

Single runway interrupted by a busy road that cuts across its middle.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

The world's most elegant power lines.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

Barça football fans might see the insignia hidden in a church window as a divine sign.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

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

The fragmented remains of a massive public bath connected to the city's water supply.

The remains of this misplaced church were moved here stone by stone.