The self-mummified monks of Japan.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The crumbling remains of a 19th century fortess.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

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

A record-breaking pool that uses computers to turn ocean water into cleaner, private swimming water.

Climb inside an iron crystal magnified 165 billion times its normal size.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

World's first "penitentiary," meant to be humane, drove men insane.

This lab's maddening silence is good for business but bad for sanity.

An aluminum skeleton brings Chinese mythology to the French shore.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

World's largest collection of serial killer artwork and other macabre exhibits.

A massive underwater sinkhole made famous by Jacques Cousteau.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

These azure waters were thought to lead to the Mayan Underworld.

The only theatre in the world constructed specifically for sound movement.

A large instrument played by the wind.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.