Where's "Mystic Mountain" and what is "Mystic Mountain" famous for?
Native speaker’s answer
Rebecca
"Mystic Mountain" is a fictitious amusement park in this show. It seems to be a parody, spoof, or homage towards a real-life amusement park. It is not famous for anything. The writers may not have been able to use a real amusement park because of copyright laws. For example, "Mystic Mountain" could be a spoof on "Disney World."