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

CHICAGO, Illinois (CNN) --The viewing deck atop Chicago's Sears Tower is reopening to the public Monday for the first time since the September 11 terrorist attacks. Former President George Bush ...

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

British insurance broker Willis Group Holdings Ltd. will lease space in the iconic Sears Tower, changing the building's name to Willis Tower. Video courtesy of Fox News.

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 ...