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KR8G TIL of a theme park in Transylvania that’s 400 feet below ground. Once a salt mine and cheese storing facility, visitors can ride a Ferris wheel, row around a lake, play mini golf, and more.
XVy6 TIL Russian ice slides of the 17th century inspired the modern roller coaster. They were wooden structures often 70-80 ft high with ice frozen over a sloping ramp which stretched out 100s of feet. Riders ploughed into a pile of sand to slow them down.