Big Cat Week 2013

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

National Geographic puts feline superpowers of strength, endurance and stealth to the ultimate test.

National Geographic unravels the truth about what happens in a fierce cougar vs. wolf face-off.

National Geographic follows the lives of young male lions and their potential to be king.

Animal-lover Betty White leads an irreverent, intimate, and unique tour of everything big cat.