More than 1.7 million people make their way to Willis Tower's Skydeck Chicago each year, and it's easy to see why. Occupying the 103rd floor – that's nine floors higher than 360 CHICAGO – of ...

In 1973, Sears moved into Chicago's Sears Tower—which opened as the tallest building in the world. Nearly two decades later, ...

The expansive floor plan at United Airlines' suburban Chicago building allows for ... about the leasing challenges facing the former Sears Tower during the pandemic.

The notion of building a tower to the heavens is as old as Genesis ... Khan returned to the United States and was hired as an engineer in the Chicago office of Skidmore, Owings & Merrill ...