An elaborately decorated house sits on an otherwise quiet street.

The highest peak in mainland Spain is said to be the final resting place of a Muslim king.

The blowhole bursts spectacularly right next to the buildings in a medieval seaside town.

These primitive rock paintings include a very beloved depiction of a woolly mammoth.

Remote ruins of a 2,400-year-old Iberian settlement.

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

This 19th-century fountain's namesake animal isn't what you think it is.

Despite its grandiose name, this enigmatic first-century void under the town is no cave, and it's possibly not a palace either.

This abandoned naval battery stood at the ready as recently as the 1980s.

You can soak in three relaxing pools filled daily by the tide.

Mysterious face-like images that appeared within an Andalusian house are surrounded by legends of the paranormal.

Semi-mystical manmade towers of rocks decorate this rocky seaside.

A well-restored ancient archaeology site gives a real feel for life during the Roman age.

This 47-story "M" needed 20 years to be completed

This small museum tucked within a subway station holds pieces from Madrid's past.

This lucky bronze frog was gifted to Madrid by a casino.

Cursed swimming pool left abandoned is now a favorite of filmmakers and ghost hunters.

The morbid items in this small and hidden museum are not for the weak stomached.

A landscape decorated with enormous skull sculptures.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

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

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This crumbling folly looks like an enchanted left over from Middle Earth.