The intimate lives of lions, leopards and cheetahs of the Masai Mara.

Cyril Chauquet goes on a mission to seek out the world's most colossal underwater creatures in the remotest corners of the planet.

There's no such thing as "a regular day" at Denver's Planned Pethood Plus veterinary clinic.

Everything's bigger in Texas, including the job of Texas Game Wardens who protect the Lone Star State's natural resources and police its 27 million citizens.

North Woods Law follows Maine's elite game-warden service as they navigate the Pine Tree State's rugged terrain during hunting season.