A dark ride based on an animated film is the classic Disney attraction. So why is Under the Sea - Journey of the Little Mermaid in the middle of our list? Well, this dark ride is just a little underwhelming. While it’s a lovely retelling of this beloved film, it lacks a lot of detail that makes a ride like Peter Pan’s Flight so much better. It feels shortened and only tells about half of the film's story, but even a Disney dark ride that’s lacking is better than most other theme park rides out there.