At 29,029 ft. above sea level, Mount Everest — also called Mount Chomolungma — is the highest mountain on Earth. Bartosz Hadyniak/iStockphoto.com hide caption

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American abolitionist John Brown led the 1859 raid on Harpers Ferry, Va. That takeover and the man behind it are the subjects of historian Tony Horwitz's new book, Midnight Rising. Hulton Archive/Getty Images hide caption

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Alan Heathcock teaches fiction writing at Boise State University, and is a literature fellow for the state of Idaho. R. Heathcock hide caption

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Basil Rathbone (right), as Sherlock Holmes, and Nigel Bruce, as Dr. Watson, in The Adventures of Sherlock Holmes, 1945. AP hide caption

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Christopher Hitchens, shown here in 2010, began a lifelong battle with a God he didn't believe in when he was just 9 years old. David Levenson/Getty Images hide caption

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