America’s National Parks (Klasik) (Amerika'nın Ulusal Parkları (Klasik), America's National Parks) 1. Sezon 5. Bölüm (Yellowstone)

Filmed over three years, this special offers an extraordinary look at America’s first national park — Yellowstone. A wilderness jewel of vast forests and yawning valleys, Yellowstone is home to large bison herds, wolf packs, and generations of grizzly bears.