The world’s largest collection of whale bones—sperm whale, gray whale, massive blue whales—and a bunch of ancient whale fossils from extinct species are stored in this warehouse in Maryland. It’s a whale bone warehouse! And it probably holds a few keys to some of the mysteries of life on our planet.

Join NPR’s Madeline Sofia and Nick Pyenson, a ‘paleontologist detective’ (as well as a paleobiologist and Curator of Fossil Marine Mammals for the Smithsonian National Museum of Natural History), on a tour of this normally unseen assemblage.

Related listening: How The Biggest Animal On Earth Got So Big.

Next: Groundbreaking drone footage of a blue whale lunging for krill, Baby Humpbacks Need 150 Gallons of Whale Milk a Day, and Whale Fall (After Life of a Whale).

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