Documentary about the world’s first National Park, filmed over a two-year period.
Looks at the battle to stay on top of the food chain. Wolves, grizzlies and mountain lions play a critical role in keeping Yellowstone in balance and must do what it takes to survive.
The park faces the dramatic consequences of famine, fire, floods and a big freeze.
The Yellowstone River travels a 700-mile journey through a spectacular landscape, revealing trumpeter swans, daring river otters, and grizzlies and bison fording treacherous rapids.