Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

A Spanish town built into the cliffs.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

The world's largest wooden structure.

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

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

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

This Himalayan airport provides one of the most difficult landings in the world.

One of Ayutthaya’s most iconic locations is a mysterious, hauntingly surreal miracle.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

One of Ireland's most infamous prisons for rebels including men, women and children.

Hundreds of Buddhas in a re-discovered Indonesian temple.

This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

A series of tiny artificial islands rich with produce bob atop the surface of the lake.

A Buddha-filled cave that is named after a giant monster spider.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

The oldest teak bridge in the world is made from the remains of a royal palace.

Gigantic unfinished stupa and the world's 2nd largest bell.

This unique temple complex remains off the typical tourist trail.

A shrine built to combat the bad karma of a commercial venture.

This enormous gold Buddha statue was hidden inside a stucco decoy for centuries.

The ruins of an abandoned church mingle with the graves at Oaxaca’s General Cemetery.

One of the city's few vendors selling the Sierra Norte's ancestral beverage lies within a hidden farmers market.