The First Volcanologists Were Wild
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Arizona's Active Volcanoes Don't Make Sense
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How We Discovered the Ice Age
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Why the World's Tallest Tree is Kept Hidden
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Why the Appalachian Mountains Are Deceptively Dangerous
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This Is Why You Can’t Go To Antarctica
19:45
Life on the Caribbean's Most Dangerous Volcano
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What happened to Italy's Skyscrapers?
26:46