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Science and Nature

What Turned These Ancient Trees to Stone?

From PBS NATURE and Atlas Obscura, Untold Earth is a documentary series dedicated to unpacking the stories behind North America’s strangest, most unique natural wonders.

What Turned These Ancient Trees to Stone?

Season 2 Episode 3 | 7m 7s | CC

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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