Watch Creepiest Places in the World Documentary - Do Not Visit After Dark

We hear screams in the night, footsteps in the hall. We see strange shadows flit by, and fog taking the shape of something eerily familiar. We're taught terrible tales of haunted houses and places from fairy tales at an early age. But if our appetite for horror films is anything to go by, we love a good fright. These are the scariest places on earth.