World's Scariest Hauntings

Peer warily into Gloucestershire’s Ancient Ram, described by a bishop as “the most evil place I have ever had the misfortune to visit.” Owner Caroline Humphries recalls her childhood at this twisted, haunted former pub.

Summon the courage to enter Edinburgh Vaults. These lost underground chambers in Scotland’s capital are now hotbeds of paranormal activity. Meet the ghosts of serial killers and investigate a terrifying stone circle.

Visit Bodmin Jail, a former prison in Cornwall, England, that’s now been converted to a museum. More than 240 years after its founding, ghost hunters share tales and footage of long-dead inmates still believed to roam its corridors.

Stay the night in Rye, on England's southern coast, where a notorious band of smugglers haunt the medieval Mermaid Inn. The paranormal activity includes a spooky chair in Room 17, which rocks inexplicably in the middle of the night.

Step back in time to the 1830s at New York’s Merchant’s House Museum. The Tredwell family took possession of the home almost 200 years ago, and with its slamming doors and talking walls, some believe daughter Gertrude haunts its halls.

A bunker was built to survive a nuclear attack against Britain, but no one planned for poltergeists. Chase the spirits of a former soldier and a freakishly tall woman in the endless corridors of a safe house built on an ancient burial ground.