Disney loves its mountains, see Space Mountain, Big Thunder Mountain and the former Splash Mountain as examples. One of the lesser known “mountains” is the volcano known as Mount Prometheus at Tokyo DisneySea in Japan. For those not familiar, according to the DisneySea website it is, “The only Disney park themed to the myths and legends of the sea. Each of the eight themed ports features attractions, restaurants, shops, and more, inviting guests to a world “Where Adventure and Imagination Set Sail!” This is the 7th most attended theme park in the world and many consider it the best and most beautiful of all the Disney parks. However, did you know many of the concepts of Tokyo DisneySea came from a park called DisneySea California that was cancelled in 1991?