The three-part series Great Yellowstone Thaw follows the animals of Yellowstone as they survive through one of the harshest temperature swings in the world: a 140 degree change from winter to summer. Wolves, bison, grizzlies, beavers, and owls all weather the fierce environment. Explore the majestic landscapes and hardy species of the series in stunning photography.

Photo: David Dirga / shutterstock.com Bull elk in Grand Teton National Park. Photo: Kirk Geisler / shutterstock.com A bison in Yellowstone National Park. Photo: FloridaStock / shutterstock.com Photo: Michelle Lalancette / shutterstock.com Photo: NaturesMomentsuk / shutterstock.com Photo: Rolf E. Staerk / shutterstock.com A grizzly bear and her cubs in Grand Teton National Park. Photo: Chase Dekker / Shutterstock.com Geysers in Yellowstone National Park. Photo: Roman Khomlyak / Shutterstock.com Photo: DJ40 / Shutterstock.com Grand Teton National Park. Photo: bondjb/shutterstock.com