[37][38] In September 2013 Waterfront Renaissance Associates announced that it proposed to a develop a 2.3-million-square-foot commercial complex on 16 acres (6.5 ha) called the Riverfront World Trade Center.
[39][40][41] In October 2013, Herschend Family Entertainment announced they would add an attraction adjacent to the Adventure Aquarium, a 300 ft (91 m), 25-story observation tower ride with a moored balloon and gondola that would carry passengers above the site offering views of city, the Delaware River and the Philadelphia skyline[42][43] to be built by Skyview Tower Systems.
The gondola beneath the balloon acts as floating circular walkway for a maximum of 40 passengers.
[48][49][50][51] In 2024, Cooper University Hospital announced a $3 billion expansion which would include several mid-rise towers, construction of which begin in 2025.
[52] The Beacon Building is a proposed 25-story tower adjacent to the Walter Rand Transportation Center.