20,000 Leagues Under the Sea: Submarine Voyage of realism. Eight submarines painted in grey took guests through the attraction, which took place in a lagoon visible from Tomorrowland and a large show building hidden behind two waterfalls. It became extremely popular with guests, and Walt Disney Imagineering consequently planned for more elaborate version for the forthcoming Florida Project concept, which would become Walt Disney World. One of the signature pieces of 20,000 Leagues Under The Sea was the fleet of passenger vehicles, adapted for theme park use from Harper Goff's Nautilus design for the 1954 Disney live-action version by Disney Imagineer George McGinnis. The basic hulls were
20,000 Leagues Under the Sea: Submarine Voyage (as it was known to the employees) where the "helmsman" stood and controlled the vehicle's operation. The "diving" effect was produced by bubble machines located throughout the attraction, as well as using the waterfalls at the entrance to the show building. Each of the twelve vehicles accommodated a total of forty riders. Vehicles normally cycled through the attraction in packs of three. Despite the extensive 20,000 Leagues Under The Sea overhaul the attraction was given, essentially it was still the same as its Californian counterpart Submarine Voyage, in both its underwater show scenes and narration, except for a few occasional