The structure above houses StormRider. This attraction uses simulator technology to take guests into the eye of a hurricane aboard an "advance flying weather laboratory". The in-cabin effects include portholes on the doors of the simulator that offer views of what's going on to the sides of the vehicles, as well as panels, hoses and electrical wires that fall and dangle overhead during the flight.
The DisneySea Electric Railway has a station located here in Port Discovery. It's other station is located in the American Waterfront area and can be seen by clicking here . The fish-shaped submersible in the photo below is one of several watercraft docked in this futuristic seaport. The DisneySea guide actually describes this area as "a port that is located across the horizons of time"