Saltwater crocodiles, known in their native northern Australia as 'salties,' are highly efficient killing machines. The strongest jaw bite of any living creature and an unusual brain adaptation that literally allows them to sleep with one eye open are just a few of their incredible adaptations. Wade into the tropical wetlands of these prehistoric hyper-carnivores and witness their savagery at close range.

Thousands of years ago, before the world divided into continents, a group of mouse-like creatures migrated from what is now South America to Australia. Discover two lesser-known, but no less fascinating, members of the extraordinary marsupials: the gentle quokkas and the tenacious quolls.