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The Desert Speaks
Desolation Canyon River
Season 14
Episode 1409
Explore the best-known geographical feature of the Green River, the prehistoric creatures buried along its banks in Dinosaur National Monument. Venture through the appropriately named Desolation Canyon, some of the wildest, least inhabited areas remaining in the U.S. Learn how the Green River continues to be shaped by changes in the surrounding geology, vegetation and modern-day dams.
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A trip through the Valley of Tehuacán to the ancient city of Oaxaca in southern Mexico.