Haunted London

London may be best known for the royal family, double decker busses, and bangers and mash ... but every city has its dark side. Go behind the scenes some of the city's most legendary, haunted places.

In London, it's not the grave yards but the castles that crawling with spirits. The most haunted them all? The Tower of London -- where "off with her head" wasn't just a saying, it was reality.