Hyde Park Corner is a London Underground station near Hyde Park Corner in Hyde Park. It is in Travelcard Zone 1, between Knightsbridge and Green Park on the Piccadilly Line. It is one of the few stations which have no associated buildings above ground, the station being fully underground. The current entrance to the station is accessed from within the pedestrian underpass system around the Hyde Park Corner junction. The station, like many on the underground has had numerous encounters with ghosts and spirits. Many have been focused around, escalators switching themselves on when they have been turned off, faces of ghostly spirits in the station booking hall, etc. Station staff have reported seeing these unexplained ghosts to many people. Some staff have seen the ghosts and not returned to the station. The station was also on The History Channel’s programme entitled ‘Ghosts on the Underground’.