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

Home of the "true" equator.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

An underground magnet for ever-changing street art.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

This geothermal hot spring hides beneath a slowly growing mineral dome.

This museum dedicated to divination also honors a local 10th-century prophetess.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

The last woman executed for witchcraft in Europe is remembered in this Swiss museum.

Staves, storm-calling, and of course, necropants.

A forensic lab dedicated to fighting crimes against wildlife.

A Spanish-style estate that has traded black ties for rock concerts.

This subterranean disco dance club in a Cuban cave comes with bright lights and a dark legend.

This stunning mass of ice spans 121 square miles and is still growing.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Trek through the jungle on a boat and a swinging bridge and you'll be rewarded with these refreshing, if pungent, mineral pools.

The enigmatic skull gazes out over the ruins of a once-great Mayan city.