A film as important as Disney's 20,000 Leagues Under the Sea meant that it has always had a presence at Disney's theme parks, in one way or another. A walk-through museum of the film's sets was originally planned for the Opera House on Disneyland's Main Street U.S.A. before finding a home in Tomorrowland in 1956. Disneyland Paris stepped up the concept by floating a full-size Nautilus in Discoveryland's lagoon, allowing visitors to descend into it and examine Nemo's ship for themselves. Tokyo Disneysea took it even further and created the Mysterious Island: Nemo's volcanic base, with a full-sized Nautilus at dock and two rides based on 20,000 Leagues Under the Sea and Journey to the Center of the Earth.
Arguably the most archetypal was Walt Disney World's 20,000 Leagues Under the Sea submarine voyage. When the Magic Kingdom opened in 1971, it imported Disneyland's 1959 classic Submarine Voyage, one of the original park's most popular attractions. To differentiate the two, this trip through "liquid space" was transferred from Tomorrowland to Fantasyland and given a brand new overlay. Instead of the atomic navy submersibles of the 20th century (which were themselves no longer as futuristic as they were in 1959), these became the iron-rivet crafts of the 19th. Where Disneyland allowed guests to ride in a replica of the USS Nautilus, Walt Disney World allowed guests to ride in the Nautilus.