8 remarkable skyscrapers and mega-projects that will debut in American cities in 2018

The Salesforce Tower in San Francisco, California

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This 1,070-foot-tall office skyscraper, designed by Pelli Clarke Pelli Architects, will become the centerpiece of the San Francisco Transbay redevelopment plan, which contains a mix of office, transportation, retail, and residential uses.

Set to open in early 2018, it will rank as the tallest and most expensive building in San Francisco. WeWork has signed on as an anchor tenant in the $1 billion tower.