What could soon be the tallest building in the US has just been ... Prior to One World Trade Center holding the record, the ...

Chicago is home to one of the tallest buildings in the world: the Willis Tower. So tall that on a windy day, the topmost floors can sway as much as three feet. But what keeps it from falling?

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.

Among the top 25 tallest buildings in the world, there are two in the U.S. — the Central Park Tower in New York, and Willis Tower in Chicago. Constructing tall buildings takes a "considerable ...

Occupying the 103rd floor – that's nine floors higher than 360 CHICAGO – of the 110-story Willis Tower (the third-tallest building in North America after One World Trade Center and Central ...

At 110 stories, the Willis Tower bills itself as the fifth-tallest office building in the world (for a time, the Willis Tower also went as the Sears Tower). Blackstone Real Estate Partners VII ...

Waterline should eventually become the 24th tallest tower in the United States. Update: This article has been updated with a joint comment from Lincoln Property Co. and Kairoi Residential executives.

Chicago is home to one of the tallest buildings in the world: the Willis Tower. So tall that on a windy day, the topmost floors can sway as much as three feet. But what keeps it from falling?