Once society became convinced that you could build skyscrapers without them immediately collapsing, cities across the United States -- and, soon the world -- scrambled to build their own structures. In part two of this two-part series, Ben, Noel and Max explore the continuing race to build the tallest, the strongest, and the most iconic skyscrapers.

CLASSIC: The War of the Stray Dog: How Far Would You Go For Your Pet?
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Ancient Wonders of the Modern World: the Lighthouse of Alexandria
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People Knew the Earth Was Round Way Earlier Than You Think
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