This insane castle was built for Harry Potter and the Philosopher's Stone - and has been used for exterior shots in every film since. If you’re lucky enough to be in London you can catch a glimpse of the 50-foot-wide model on The Making Of Harry Potter studio tour at Leavesden Studios, opening March 31st. The tour will also include a chance to see the Great Hall, Dumbledore’s office and props like Harry’s Nimbus 2000 broomstick and Hagrid’s motorcycle. [DailyMail]