One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

This pagoda was once the central feature of a Buddhist temple that no longer exists.

A thriving surf community exists in relative remoteness along the former boundary between North and South Korea.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

Landbridge created by the South Korean version of Moses.

One of the largest caverns in the world has a maw large enough to stack cathedrals in.

One of Indonesia's tallest, this waterfall takes a 390-foot plunge into the Lake Toba caldera.

On the outskirts of Ipoh, this sprawling temple complex is home to one of the world's tallest pagodas.

Come in, light some incense, and ignore the live snakes around you.

After being bombed and largely abandoned, this former railway workshop has been transformed into a lively market space.

Island, once a pirate hideout, now home to an abandoned resort.

Hang out with thousands of butterflies in one of the world's largest such enclosures.

New Zealand's only inland salt lake goes through a constant cycle of filling, evaporating, and refilling.

Large World War II gun emplacements and tunnel systems remain hidden near a remote end of Waiheke Island.

A memorial to Wellington's well-loved, well-traveled wharf dog.

What began as a makeshift lost and found, now exists as a unique art installation.

An eerily charming collection of salvaged buildings and curios grown out of a family scrap business.

Inside this faux cave, visitors can learn how some of their favorite fantasy characters were created.

Only 68 people per day are allowed to visit this New Zealand bird-watcher’s paradise.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

A forsaken beachfront condo abandoned after the Boxing Day Tsunami.

This small patch of land is the final resting for these communication relics of the past.