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

Bangkok's men with dangerous jobs come here in search of protective talismans.

A museum in a law office, filled with authentic and counterfeit goods.

You can walk up Thailand’s naturally non-slip waterfall.

Vintage furniture and art share space with all manner of collectibles at this quirky shop in Bangkok.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

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

A forsaken beachfront condo abandoned after the Boxing Day Tsunami.

Surat Thani's official flower—and the world's largest—smells of rotting meat.

Six times a day a train runs right through the middle of this Thai street market, sending vendors scrambling.

Buddha shrines hide within dark tunnels at this unique forest temple.

This extensive collection of dead bugs may be the world's most idiosyncratic and personal insect museum.

A meditative walk up 353 stairs leads to a majestic white Buddha overlooking Pai.

One of the world's steepest streets seems to have houses sliding down it.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

These phallic stone spires once served as Tolkien's Paths of the Dead.

The glacier tucked within a New Zealand rainforest.

This strange geological landscape erupts with sudden bursts of water.

A glacier pocked with ice caves and surrounded by rainforests.

Known for the tunnel that leads visitors to the water.

Alien rock formations grown from the sands of an Australian national park.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

Australian museum dedicated to human health and lack thereof.