Charnel house at the foot of Mount Sinai.

An ancient ossuary in Rouen.

5,000 skulls in memorial to those killed by the Khmer Rouge.

This Peruvian bone silo lined with hanging human skeletons and hundreds of skulls is topped with a remarkable Michelangelo replica.

A solemn memorial in a majestic setting that honors a 1692 tragedy.

A memorial commemorating the only Scottish police investigation into an extraterrestrial incident.

The remnants of a classic 1970's British film.

The final resting place of a poisoned lover whose death was at the center of one of Glasgow's most sensational murder trials.

The abandoned transportation hub hides within the Glasgow attraction it once served.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

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

This enchanting hill is home to fairy lore and a sinister local mystery.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The fountain marks the area where hundreds of accused witches were burned at the stake.

These fantastically named natural pools look like something out of a Scottish myth.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

A monument to a 19th-century Irish woman whose murder inspired several literary works.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.