In the opening scene where Mariner is sailing his boat into the distance, land can quite clearly be seen on the horizon up ahead. See more...
The land they end up finding at the end of the movie was in fact to be the tip of Mount Everest. I know this because I once saw a copy of the movie where they discovered the plaque left behind by the first climbers of the mountain and it said it was Mount Everest. This was the movie's broadcast premiere on ABC in 1998, and up until recently, the plaque was never shown on-screen again. See more...
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The entry you are changing the wording of is:
|Original entry||When the smokers attack the metal city, Enola and Helen go up to Gregor's windmill to try and escape with him. Though the battle is raging outside, you can see a calm, Smoker-free lagoon with no signs of an attack happening through any of the windows in the windmill. [The portion of the lagoon seen through the window is relatively calm, however right after Gregor throws the rope and it gets stuck, you can see a smoker on a jet ski enter the view right before the shot changes.]|