Up Next
Back to Show
Untold Earth
What Turned These Ancient Trees to Stone?
Season 2
Episode 3
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?
Support Provided By
Season
7:53
Discover how The Atchafalaya Basin protects Louisiana's coast from hurricanes.
10:06
Meet Pando, an ancient tree in Utah that has grown into one of Earth's largest living wonders.
7:11
How are truffles key to the survival of the forest ecosystem at large?
6:49
What does it mean to preserve a place that is defined by it's impermanence?
5:57
Microbial warfare has been raging for thousands of years deep below the Chihuahuan Desert.
9:12
What does one of Earth's harshest environments teach us about planet survival?
6:41
At 87º Celcius, the Grand Prismatic Spring is a beacon of microbial life and discovery.
6:57
At 50 million years old, the origins of Devils Tower or Bears Lodge remains a mystery.
8:26
An ancient and modern mystery, what about bioluminescence inspires such obsession?
8:54
Over half a million years old, the story of Mono Lake is one of survival.
5:44
At 450 million years old, moss may hold the key to surviving our rapidly warming planet.
7:05
What are icebergs doing so close to land and why must we keep an eye on them?