Chicago Spire Set to Soar

At 2,000 feet, Santiago Calatrava's tower will be the tallest building in North America

The Chicago Planning Commission unanimously approved the fourth, and perhaps final, iteration of Santiago Calatrava’s Chicago Spire yesterday afternoon. Designed for a 2.2-acre lakefront site—although its footprint will occupy barely half that amount—the seven-sided glass tower tapers and twists to point 2,000 feet above a public plaza below, making it the tallest building in North America. The 3-million-square-foot structure will contain 1,200 condominiums and aims for LEED Gold certification.

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