A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Thanks to its curved shape, this incredibly durable dam "whispers" to visitors.

A private collection of over 30,000 ancient and modern items showcasing the beauty of Islamic calligraphy.

Megapodes incubate their eggs using the heat of an active volcano on this Pacific isle.

This unique temple complex remains off the typical tourist trail.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.

This remote island known for its balancing boulder may have inspired Peter Pan's Neverland.

Wander among the ghostly ruins of an island where civilization flourished for thousands of years.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

Pyongyang’s Arch of Triumph is the second tallest triumphal arch in the world.

This large pile of traveler-curated rocks by the dry lakebed is a longstanding tradition on the Old Mojave Road.

A misunderstanding gave this 18th-century racehorse a most amusing name.

Ancient traditions and surreal birdwatching come into sharp relief along one of the world's most polluted rivers.

This cairn marks the only place where Central European Time, Eastern European Time, and Further-eastern European Time meet.

Get past the gatekeeper's apartment and enter an elaborate hoax of a restaurant with a Masonic feel.

It's rumored this unique Baltic beacon was designed by Gustave Eiffel himself.

An enormous effigy of the goddess of compassion hides within the sanctuary.

This childhood throwback has hundreds of arcade games and pinball machines to transport you back in time.

This ambiguous pig shrine is actually a monument to a beloved queen.

This small roadside eatery exists in both the Northern and Southern hemispheres, as the equator runs right through it.

This old-fashioned roadhouse's quirky neon sign is as famous as its enormous dumplings.

A mile-long navigable cave adorned with stalactites and stalagmites reaching up to 65 feet tall.