<P> In the late 1980s, a second phase of development was being designed for Disneyland Paris (then Euro Disney). Included was a free - fall type ride in Frontierland that was to be named Geyser Mountain . It would have been part roller coaster, part free - fall ride that shot guests up a vertical shaft . The plan was scrapped, but was picked up by Disney's Hollywood Studios (then Disney - MGM Studios) as part of a massive expansion to their U.S. park . Several attractions had already been proposed, including "Dick Tracy's Crimestoppers", which would be later made into Indiana Jones Adventure at Disneyland . Still needing a major "E-ticket" attraction, the idea of a drop - shaft ride came up and was chosen . There had been several proposed ideas for haunted attractions, including a ride based on Stephen King's novels, a Vincent Price ghost tour, a Mel Brooks - narrated ride, a real hotel, and a whodunit murder mystery, but none progressed into development . </P> <P> Walt Disney Imagineering eventually took inspiration from Rod Serling's anthology stories featured in The Twilight Zone, as a foundation for their original story . Imagineers mused that the attraction would be able to take guests into the Fifth Dimension that Serling always described as unlocking in every episode of the series . With the project in firm development, Disney licensed the rights to use The Twilight Zone intellectual property from CBS Inc...The Imagineering team settled on a 1930s - era Hollywood hotel with a Twilight Zone theme, but a new ride system had to be built, which would allow both more capacity inside the ride and make the drop fast . Otis Elevator Company created the vertical ride system, and Eaton - Kenway a ride vehicle that could drive itself horizontally . Joe Dante directed the ride's short preshow film . The archival footage of Rod Serling used in the preshow was taken from the episode, "It's a Good Life". Mark Silverman provided the voice for Serling in the attraction; Serling's wife, Carol Serling, approved Silverman's casting after several auditions . </P> <P> Site - clearing and prep began early 1992 . A sinkhole led to the site's being moved slightly . The tower's interior and exterior design took inspiration from existing Southern California landmarks, including the Biltmore Hotel and Mission Inn . The distinctive Spanish Colonial Revival architectural features on and around the attraction's roof were designed so that the rear facade, which is visible from Epcot, would blend seamlessly with the skyline of the Morocco Pavilion in Epcot's World Showcase Lagoon . After construction ended, the ride was set to open on July 4, 1994; but the Tower of Terror opened on July 22, 1994, along with the Sunset Boulevard thoroughfare . </P> <P> The ride system of The Twilight Zone Tower of Terror at Disney's Hollywood Studios employs specialized technology developed by Walt Disney Imagineering, particularly the ability to move the vehicle in and out of the vertical motion shaft . The elevator cabs are self - propelled automated ride vehicles, also known as automated guided vehicles, which lock into separate vertical motion cabs . The cabs can move into and out of elevators horizontally, move through the "Fifth Dimension" scene, and on to the drop shaft . </P>

When was the hollywood tower of terror built
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