One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

Clusters of abandoned buildings hint at the facility's 144-year history with psychiatric health.

For over a century, it was a crucial center of mental health treatment and also the source of many local legends.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

A whimsical menagerie of devils, krampuses, satyrs, and other horned creatures.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

Tubing through a cave lit with glowworms is a magical underground experience.

An abandoned movie set in the desert of West Texas.

A church dedicated to the Mexican skeleton saint.

Visiting this cacophonous collection of vintage novelties is like stepping into the mind of a crazed toymaker.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

Twelve natural mummies are displayed in the crypt of this former monastery school.

Frida Kahlo's childhood home, now a museum of her life and works.

This 80-year old mannequin is so lifelike it is believed to be an embalmed corpse.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

The central mosque of this Mali town is entirely built from mud.

The Voodoo Superstore of the world.

This abandoned Slovenian military barracks has become a punky-political art squat.

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

This eccentric cave dwelling is bizarre even by the standards of a subterranean town.

This century-old grotesque has a mysterious history and may not actually be a rabbit.