An curved arrow pointing right. The Ledge is a glass box on the 103rd floor of the Willis Tower, the eighth-tallest building in the world and the tallest building in the Western hemisphere.

More than 1.7 million people make their way to Willis Tower ... Chicago's borders to Indiana, Michigan, Wisconsin and other parts of Illinois. The highlight for most visitors is the Ledge ...

Sears Tower is history. As of Thursday, the iconic Chicago, Illinois, skyscraper is now named Willis Tower. At least that's what the owners of the 110-story skyscraper now call it after its new ...