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

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

A CT scan revealed the identity of this 3,000-year-old mummy that everyone erroneously thought was female.

A mysterious bridge over a sunken Roman road.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

This mouldering abandoned mental hospital was once a center for progressive healing.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

Who knew the Devil's domain was a hot spot for tubing?

This decrepit abandoned building is made all the more eerie by its dark history.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

A once grand hotel is being retaken by the wilderness it once capitalized on.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

An enormous cat made of recycled wood scraps.

A mysterious collection of stones stand outside a small New England town.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

This sprawling 18th-century cemetery features unique and beautiful gravestones, including one shaped like a tree.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

This locally-famous crevasse in New York State is icy all year round.

Eight whimsical acres of metal art.