Hampstead Heath
From Tardis Wiki, the free Doctor Who reference
Hampstead Heath was a park in London.
Space World was a theme park built on Hampstead Heath by the Parakon Corporation. (PROSE: The Paradise of Death, AUDIO: The Paradise of Death)
Sarah Jane Smith lived for a time in an attic bedsit near Hampstead Heath. (PROSE: Island of Death)
Behind the scenes
A woman crashed her car when she saw an Ice Warrior on Hampstead Heath during filming of The Ice Warriors.
