Author: Matt Gilligan / Source: did you know?
It’s pretty incredible to gaze up at a skyscraper from the street, but if you take the long trip up to the observation decks of the buildings on this list, you’re up for a truly incredible sight.
Here are the stories behind 5 iconic skyscrapers around the globe.
1. Willis Tower – Chicago

Formerly known as the Sears Tower, the tallest building in the Windy City (which was also the tallest building in the world for 25 years) was constructed to house Sears’ thousands…
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