Jaguars and caimans battle in the extreme environments of South America.

Caimans, anacondas, piranhas, and giant river otters fight to survive.

The battle for survival and adaptations that have been made by wildlife.

Australia is notable as the only country that is also a continent, but details of the Land Down Under aren't necessarily as well known as other areas around the world. This miniseries delves into some of the various species of animals that call Australia home. The cassowary, tree-kangaroo, dingo (keep an eye on your babies), echidna and platypus are among the creatures profiled on "Wild Australia," which also looks at the varied environments where the wildlife lives.

Jon Wolfson examines the lethal power and strange abilities of nature's most vicious hunters.

Beyond the battle scars and the fortifications from decades of conflict, South Korea still boasts areas of great wilderness with intriguing animals, some of which share extraordinary relationships with humankind.

Searching for the world's strangest creatures.