This luxury hotel suite is located deep in the bowels of an old mine.

A trash dump made beautiful by nature's power.

An enormous, inside-out glass globe built in 1935.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

A one-of-a-kind collection of a unique medium.

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

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

The sign at the garden gate reads: "These Plants Can Kill."

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

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

A terrific purveyor of natural history objects and curios.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

A church of bones, decorated with 40,000 human skeletons.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The macabre paintings created by famous suicide proponent Jack Kevorkian, or "Dr. Death."

Stumps of an Ice Age forest, visible only at low tide.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

The 100-year-old public collection of a New Hampshire dentist that contains taxidermy, Native American artifacts, and a pair of mummy hands.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.