Uploaded April 2026 | Updated September 2026, 5 days ago
The snowy crests of the Cascades conceal the most active volcanoes in the continental U.S. Foxes thrive on their slopes, tailed frogs mate in rocky streams and pine martens hunt in the alpine forests. But the mountains have a violent past and an uncertain future. These sleeping giants have the potential to erupt at any time, throwing the entire region into disarray.
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The snowy crests of the Cascades conceal the most active volcanoes in the continental U.S. Foxes thrive on their slopes, tailed frogs mate in rocky streams and pine martens hunt in the alpine forests. But the mountains have a violent past and an uncertain future. These sleeping giants have the potential to erupt at any time, throwing the entire region into disarray.
Welcome to PBS America, a channel curated for an international audience from America's Public Broadcasting Service, PBS. This is a factual focussed channel including award-winning American history, current affairs and science.
SIGN UP to our UK broadcast channel weekly highlights at pbsamerica.co.uk
FOLLOW us on X @PBSAmerica
LIKE us on Facebook.com/pbsamerica
