A 16th-century horror show built in a lovely Italian garden.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

A Saint Nicholas-themed ghost town in the Mojave desert.

An Italian hillside ghost town.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

Jule Körner's house full of bizarre architectural details.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

The world's first time capsule lies behind a welded steel door in Atlanta.

Peek through a transparent pyramid and drink in the mountain made of books.

Village of slate houses, built on a white marble outcrop.

Occult books, tarot, oddities.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

This legendary city has been a tourist attraction for centuries.

This ancient burial site is believed to be one of the first earthquake-protected structures in the world.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

The palace of the King of Kings, burned by Alexander the Great.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

A Texas-sized particle collider that was abandoned due to its Texas-sized budget.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.