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Overview show's poster
Science and Nature
Overview

Earth's Worst Mass Extinction Is Actually a Warning

Overview is a nature series with an unexpected perspective. Breathtaking visuals zoom out to reveal Earth’s grand forces, then dive in to uncover hidden stories. Each episode is a journey of discovery, inviting viewers to see the planet more clearly and from a whole new point of view.

Earth's Worst Mass Extinction Is Actually a Warning

Season 2 Episode 12 | 8m 27s | CC

There is a surprising natural wonder in the middle of the vast West Texas desert: a prehistoric ocean reef built from the remains of ancient sea life. This fossil-rich landscape tells the story of Earth's most devastating mass extinction—and can help enlighten the climate threats we face today.

Overview

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