Occupying the 103rd floor – that's nine floors higher than 360 CHICAGO – of the 110-story Willis Tower (the third-tallest building in ... and other parts of Illinois. The highlight for most ...

Many famous buildings in Chicago are renowned ... Tower is recognized as the tallest building in the Western Hemisphere designed by a woman and is on the list of Illinois’ 25 Must See Places!

So, what is the tallest building in the U.S. and what are its closest competitors? Each towering skyscraper tells a story. From New York's One World Trade Center to Chicago's Willis Tower ...