On the outskirts of Yellowstone National Park is Paradise Valley, Montana, home to bears, wolves, elk, and an animal so secretive, few ever get to...

Chris Johnson and Devin Hester challenge the cheetah in an extraordinary race of a lifetime.

Casey Anderson has rescued and raised a number of grizzlies in order to save their lives. After 25 years of diving deeper into “bear world” than...

America's Greatest Animals takes us across North America on a revelatory mission: which of the continent's landmark creatures deserve to make the...