This century-old ruined temple was reborn as "The Church of Skate."

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

A huge cathedral single-handedly constructed by one eccentric monk.

The oldest Roman lighthouse still in use.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

A medieval village holds a very modern hotel.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

Rare karst landscape eroded from a flat seabed.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A charming Spanish village sits atop this natural limestone overpass.

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

Famed architect Antoni Gaudi built this generous thank you gift to a friendly host who housed him during a job.

Abandoned waterpark turned counter-culture mecca.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

"Alleys of Stone" form natural mazes in Spanish natural park.

The earliest known map to show America, discovered by accident at a Paris bookshop.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

Numerous sculptures set along hiking trails symbolize and idealize the relationship between man and nature.