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Cornwood is the dimension that Bender, Fry and Leela go into in the movie "Bender's Game". It is also the home of Calculon, who later gets seriously injured by a falling drawbridge. One of the towers resembles Bender's head (since he is after all, the king). It only appears in "Bender's Game", and is the only castle besides Wipe Castle that is mentioned. The map of Cornwood is a map of Middle Earth (from The Lord of The Rings) flipped horizontally.