This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

A haunting theme park is slowly being swallowed by the jungle.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

Hundreds of wooden coffins dangle from cliffs and caves in the Philippines.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

An Australian lake whose pink hue defies scientific explanation.

This bridge was designed to connect a road that never came to fruition.

Hundreds of bras, blowing in the wind.

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

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Tubing through a cave lit with glowworms is a magical underground experience.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.