Locked within the stones and fossils of Petrified Forest National Park lies a record of life, death, and resilience during one of Earth’s most extreme periods of environmental change. What secrets do these fossilized ecosystems reveal about the prehistoric past, and how can they help predict the future of life on Earth?
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This is Season 2, Episode 3 of Untold Earth: From PBS NATURE and Atlas Obscura, Untold Earth is a documentary series dedicated to unpacking the stories behind the strangest, most unique natural wonders.