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What Turned These Ancient Trees to Stone?

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?
Season 2 Episode 3 Length 07:07 Premiere: 04/01/25

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Season 2 Episodes

It Looks Like a Desert. But It Has Thousands of Lakes
S2 E10 Length 08:53 Premiere Date 10/28/25

Why The World’s Rarest Fish Is Trapped In The Hottest Desert On Earth
S2 E9 Length 07:46 Premiere Date 10/14/25

These Ancient Footprints Rewrite North American History
S2 E8 Length 07:53 Premiere Date 09/16/25

This Bay Moves 100 Billion Tons of Water Every Day
S2 E7 Length 08:22 Premiere Date 08/19/25

Cuttlefish Are the Ocean’s Freakiest Little Weirdos
S2 E6 Length 10:55 Premiere Date 07/22/25

Why These Bugs Live Inside Plants That Eat Them
S2 E5 Length 08:22 Premiere Date 07/01/25

There’s Something Weird Going On With the Northern Lights
S2 E4 Length 07:33 Premiere Date 04/29/25

What Turned These Ancient Trees to Stone?
S2 E3 Length 07:07 Premiere Date 04/01/25

How Louisiana's Mega Swamp Breaks Hurricanes
S2 E2 Length 07:53 Premiere Date 03/04/25

This Is Not a Forest
S2 E1 Length 10:06 Premiere Date 02/04/25

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