This is Pier 40 on Manhattan's far west side (lower right of first image).
The pier is a large, crumbling structure used for sports fields and long-term parking. For years the City has been courting developers to turn it into a commercial-parkland attraction.
This is WDI's concept of a condensed, floating, movable theme park:
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Then I saw this incredible Origami castle made by a Japanese artist. It appears to contain a rollercoaster and Ferris Wheel and could house many dark rides on multiple interior levels:
It struck me that the castle looks like the S.S. Disney project and how neat it would be to have a world-class Disney indoor-outdoor theme park on the banks of the world's greatest city & skyline.
It would not happen for many, many reasons, but it's fun to imagine it.