Left photo: Sears Tower became the tallest building in Chicago, surpassing the John Hancock Center, seen in the background, when construction continued in November 1972. (Charles Osgood/Chicago ...

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 ...

Chicago’s steel industry was formidable. Several mills employed tens of thousands of workers and cranked out steel to build major structures, including the Sears Tower. By the time Elwood Blues ...

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.

Iconic buildings like the Willis Tower (formerly Sears Tower), John Hancock ... State Street in Chicago. The building ...