Though specific plans to develop the site of the failed Chicago Spire remain a mystery, designers at the architectural firm Gensler have imagined the high-profile waterfront location as an iconic, mixed-use, mega-tall attraction. Taking top honors in an internal company-wide competition, the concept is known as Gateway Tower. Retaining the same 2000-foot height as the original Spire design, the Gensler concept trades the twisting whimsicality of Calatrava’s narwhal tusk for more of a Chicago-style aesthetic expressed through structural X-bracing.

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