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Why Doesn't the Willis Tower Topple Over?

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Why Doesn't the Willis Tower Topple Over?

Short | 01:44

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?

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It's given us American icons as notorious as Al Capone and as heroic as Abraham Lincoln. It's where endless rows of corn blanket the fields and towering buildings touch the sky. The state of Illinois is full of awe-inspiring sights and captivating drama, and this aerial excursion explores it all. From the Great Fire of Chicago to the Great Migration that brought Muddy Waters and the blues up north, we visit the places and people that tell Illinois' powerful story.

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