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What Turned These Ancient Trees to Stone?

Season 2 Episode 3 | 7m 07s

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?

Aired: 03/31/25
Extras
Historian Annette Gordon-Reed. The American Revolution premieres November 16.
Historian Stephen Conway. The American Revolution premieres November 16.
Historian Christopher Brown. The American Revolution premieres November 16.
Historian Stephen Conway on the psychological impact of Saratoga on the British.
Step behind the scenes of Ken Burns’s new film to see how The American Revolution came to life.
The filmmakers on how understanding the people of the Revolution can help us understand who we are.
Filmmakers discuss how they used stories of both well-known and lesser known figures.
The filmmakers discuss how the story of The American Revolution came together.
The filmmakers discuss how they crafted imagery to help tell the story of the American Revolution.
Ken Burns, Sarah Botstein, and David Schmidt on the challenges of telling America's origin story.
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