A network of hundreds of interconnected wineries in caves hides under the town center.

Part of the medieval watchtower is displayed in an otherwise ordinary parking garage.

This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

Translating as "The Jump of the Girlfriend," this stunning waterfall has a tragic legend behind it.

The Gaudí-inspired building that was the start of Terrassenc modernism.

This species of wild goat stars in witchy legends and frolics among the park's eerie rock formations.

A living art gallery painted on a canvas of Monterey pine trees.

This enchanting natural park is a magical example of a temperate rainforest in Europe.

This "flat geyser" bubbles up out of the ground periodically like a disappearing river.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

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

Blue-green pools and smooth stones comprise one of Spain’s most idyllic hidden wonders.

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

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

Volcanic rocks ground down into sand make this Spanish beach as black as night.

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

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

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

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

A charming Spanish village sits atop this natural limestone overpass.

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

Mysterious Spanish catacombs of unknown origins.