The staff at Busch Gardens helps us brush up on our big cat trivia.
(01:15)Some of the fastest men in the United States prepare to take on the fastest animal on land.
(02:07)Man takes on Cheetah in these action shots in a test to see who is the quickest of all.
Building for the future.
A unique insight into the natural world.
People, past and present.
The official Canadian page for National Geographic