There are many reports of the London Underground being haunted. One of the most famous haunting stories is the story of Anne Naylor, murdered in 1758 and said to haunt Farringdon Station. Passengers have often reported hearing blood curdling screams as the last train leaves.
Covent Garden station on the Piccadilly Line is said to be haunted by a man dressed in evening wear who disappears very suddenly. Some staff members have refused to work at the station because of him.
A steam train which carried passengers in the 19th Century has returned to mark 150 years since the first tube journey.
A look back at some of the stops on London Underground's 150 year journey.
All day we've been adding fascinating facts about the Tube, which turns 150 years old this week. Now find out how much you know.