These striking ruins of a castle resemble a ship's stern.

It’s Christmas every day at Barcelona’s oldest restaurant.

To fit bodies into this Renaissance crypt, they were first left to decompose in the crypt's rotting room.

A long strip of fossil-filled limestone makes up this natural bridge above a rushing stream.

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

If you like Art Deco you will love this bridge.

This multi-level, aqueduct-footbridge hybrid is one of the greatest works of the Spanish Renaissance.

Experience this Iron Age village the way that its original residents would have.

Two large eyes painted anonymously on a mountain overlooking the city pay homage to an old legend.

The defensive tower was built centuries ago to warn locals of Berber pirate attacks.

Built to power trains, the engines in this building provided the entire city of Madrid with electricity during the Spanish Civil War.

Medieval ruins nestled within a breathtaking swath of Spanish nature.

Marvel at this immense work of art that greets arrivals to the city.

This spectacular bridge is part of an abandoned train line that once connected Mallorcan capital to the southeastern coast.

A fiery-red region of scooped out land still largely untouched by civilization, tourists or otherwise.

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

This 18th-century project to build the world's tallest gravity dam was never completed.

The spectacular geological formations make it one of the most impressive caves in Europe.

These abandoned country fairgrounds are filled with replicas of Spanish monuments.

The abandoned club hides in the hills of Ibiza.

Marvel at this massive waterspout fueled by the incoming tide.

This historic electric train has operated with regularity since the early 1900s.

Grab a slice of Catalonia’s famous flatbread in a space with ancient Roman roots.

Tour the inside of a massive lava tube formed during a 1949 volcanic eruption.