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 ...

Bottom line: The AON Center got just one year as the tallest building in Chicago before it was surpassed by the Sears Tower, which is now known as Willis Tower. Originally known as the Standard ...

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.

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 ...

The tower owners claim the protective glass worked as designed. But will the experience ever be the same? Stare into the eerie soul of some of the world's tallest skyscrapers with Iván Navarro's ...

At 1,476 feet, it's barely taller than the Sears (now Willis) Tower's 1,451 feet ... It won't even be the tallest building in Seoul — the Light DMC building will reach 2,101 feet.

On the eve of the Spring Festival, Shanghai’s iconic Oriental Pearl Tower and Shanghai Tower, the third tallest building in ...