A quiet Sicilian village is home to a cafe that had an important role in "The Godfather."

An abandoned building that once tightened a power line that stretched across Messina Strait.

A magnificent place to see authentic paleolithic cave paintings that are an astounding 33,000 years old.

An abandoned Indian-inspired mansion.

This embalmed man is one of the best preserved mummies from the Canary Islands.

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

Abandoned waterpark turned counter-culture mecca.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

This ancient Spanish castle sits high upon a hilltop.

A site where “the ravages of the war are more striking…than any other place in contemporary Spain.”

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

A Romanesque tower appears when water levels drop.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Abandoned Nazi train station turned underground astroparticle laboratory.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

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

The final resting place of the great navigator, or maybe his brother.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

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

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

Bacteria and algae give the salty water its bubblegum hue.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

An ancient Egyptian temple in the middle of Madrid, Spain.