Accompany researchers in "Deep Jungle: The Beast Within" as they explore tropical forests for clues about the origins of humans and what our own future might hold.

In the forbidding Namib Desert, along the Skeleton Coast of Namibia, Dr. Philip (Flip) Stander tracks a mysterious and remarkable quarry: lions.

The two-part special "Dogs That Changed the World" tells the epic story of the wolf's evolution, how "man's best friend" changed human society and how we in turn have radically transformed dogs.

An incisive look at the breeding, behavior, and training of humankind's best friend, including useful pointers on how to avoid mistakes when selecting a puppy.

Filmmaker Hardy Jones used his camera as a tool for conservation, filming dramatic dolphin hunts and documenting the effects of chemical pollution on dolphins and orcas.

Discover the remarkable complexity of dolphins' communication, human-like nature, and the controversy surrounding captive dolphins.

Follow Rom Whitaker as he journeys around the world, reimagining the lines between fact and fantasy, in search of the fabled dragons' contemporary counterparts.

In South Africa's Drakensberg Mountains, one animal’s perseverance makes it the ultimate survivor: the eland, the largest member of the antelope family.

(Airs Sunday, July 11) Returning home to the Isle of Mull after 15 years abroad, Gordon Buchanan was happy for the chance to take a new look at his native land, through his camera lens.

Eagles. For centuries, these seemingly larger-than-life birds have fascinated and inspired us.