The world's biggest wave, explained
24:33
What's inside this crater in Madagascar?
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Why It Costs $1 Million Per Day To Run One Of The World’s Biggest Cruise Ships | Big Business
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Why does this forest look like a fingerprint?
18:58
Inside Air Force One During 9/11
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The rise of Xi Jinping, explained
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Kayaking down the ICE WALL (extreme Arctic waterfall)
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Who made these circles in the Sahara?
38:14