A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

A breathtaking canyon offers stunning views and frightful pathways through an ecological paradise.

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

This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

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

Just like in Hollywood, Madrid has also a forgotten walk of fame.

Moorish signal station on a stratgic rocky outcrop.

Abandoned Nazi train station turned underground astroparticle laboratory.

A Romanesque tower appears when water levels drop.

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

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

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

This awesome Spanish castle is so fantastical it was actually used on Game of Thrones.

Village situated on a narrow volcanic escarpment.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

A lush indoor jungle fills this bustling Madrid transportation hub.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

Lavish royal estate punctuated with heated greenhouses.