Nick on the Rocks

Ancient Cascades Volcanoes

Season 2 Episode 6 | 5m

Geologists have found places in the Cascades where Mount Rainier-like volcanoes once stood, but the ancient volcanoes are now gone. What are the clues to find the ghost volcanoes?

Aired: 12/28/17

Rating: NR

Video has closed captioning.

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