The world's largest collection of witchcraft regalia.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Macabre astrological automaton clock dating to the late 1400s.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

An exquisite tunnel of cascading flowers.

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

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

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

A haunting collection of the vanished and disappearing natural world.

Abandoned railway line circling the city of Paris.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

This abandoned subway station can still be seen on regular commuter trips.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

A living archive of urban activism and space reclaimed.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

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

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

This haunting stone chasm is a hotbed of mossy rock and English legend.

The strange behavior of a tween led to allegations of witchcraft and a curse being placed on anybody within earshot.

This Scottish bridge seems to compel dogs to leap to their death.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

This free, take-a-book shop seems like a trick but isn't.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.