Synopsis
Series detailing the wildlife closest to the heart of the United States.
The High Cascades conceal the most active volcanoes in the Lower 48. These sleeping giants have the potential to erupt at any time.
Welcome to the Land of Giants, where the tallest trees in the world tower over the Californian coast.
The perilous peaks of western Montana hide an ancient secret: America's glacier lands.
From low valley meadows to Rocky Mountain High, life is abundant and resilient. Animals here face a host of challenges.
California's western edge teems with life above its shores - and beneath the waves.
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