Geologists, ecologists, researchers and adventurers investigate how the changing climate is affecting one of America’s greatest wildernesses.

This innovative five-part series employs more than 30 animatronic spy cameras disguised as animals to secretly record behavior in the wild.

Learn the survival strategies of animals who live in the coldest and snowiest places on Earth.

From rainforests, to savannah, to mountain peaks, to the comfort of our homes, get an in-depth look at what makes a cat, a cat.

An international team of wildlife experts relocate the world’s rarest giraffes.