If Disneyworld was ever to make a 5th park, what would be a cool theme for it? I have a few ideas
Night Kingdom: Night Kingdom is actually a standing rumor by a Disney Expert, while cast members at WDW seem to know nothing about it. It is a park based a lot off of the "Disney Adventures" but will only be open at night to a select few. Attractions will include such things as zip-lines and rock climbing walls.
Shipwreck Island: Disney can't seem to get enough Pirates lately, with rumors of a 4th POTC movie and turning Tom Sawyer Island into a Pirates Lair at Disneyland, so why not a whole Pirate Themed park? It would be based off of Shipwreck Island from POTC: At World's End with the centerpiece being the large building of broken ships. Attractions could include Life Sized Replicas of the ships from the movie with Animatronic "living" characters inside of them, Pirate Lessons, maybe even a ship battle ride.
Yesterland: This has been a beloved dream of "classical" Disney Fans for quite some time. An entire park dedicated to old rides that were taken out of the park for one reason or another, or ideas for attractions that never came to be. The centerpiece could be Snow White's castle, one castle that has been explored before, but never actually made. This would include such forgotten rides as Adventures Through Inner-space, Horizons, and the Huntchback of Notre Dame Show, and such planned attractions as the Dueling Dragons Roller Coasters.
Pixar Studios: This is actual what was rumored that Disney-MGM Studios would become before we knew the actual new name of the park. An entirely Pixar Themed Park. The centerpiece could be a giant version of Pixar's Lamp Icon. Attractions would include a Cars Themed Racing ride, Some More Nemo and Toy Story Rides, and other rides based off of other Disney/Pixar Movies.
Atlantis: This has been in my head since i heard of the Atlantis resort in the bahamas i believe. But it would be an entirely underwater or Underwater themed theme park. The centerpiece would be Ariel's castle from the little Mermaid. Attractions could include the 20,000 Leagues under the Sea attraction, Crush's Coaster, and other underwater rides.
If you don't think any of these, maybe you have an idea of your own? If so share it with us