World's Scariest Hauntings

Being situated on an ancient pagan burial site and a Ley Line intersection in Gloucestershire, England, it's no wonder the Ancient Ram is one of the most haunted houses in the world.

An investigation of the Edinburgh Vaults, situated under the cobbled streets of a haunted city.

Built in 1779, Bodmin Jail in Cornwall has housed many notorious criminals, some of whom were put to death on the grounds. Some 240 years later it is now a museum and soon to be a hotel complex. But it's believed that many of the spirits have never left the building.

Standing since the 12th century in Rye, on the south coast of England, The Mermaid Inn once played host to the notorious band of smugglers known as the Hawkhurst Gang. Some 500 years later, paranormal enthusiasts believe the bootleggers still haunt the medieval building.

Built in 1832 in New York City, the Merchant's House Museum is a time capsule of 19th century Manhattan. Some say the Tredwell family, who lived in the house for nearly 100 years, are still in residence.

Built in 1952, Kelvedon Hatch bunker was designed as a safehouse for the British government in the event of a Nuclear attack. Nestled deep in the Essex woodland, it was hidden from the world and only revealed to the public in 1992 when it was decommissioned.