Many geneticists and archaeologists have long surmised that human life began in Africa. Dr. Spencer Wells, one of a group of scientists studying the origin of human life, offers evidence and theories to support such a thesis in this PBS special. He claims that Africa was populated by only a few thousand people that some deserted their homeland in a conquest that has resulted in global domination.

Darwin's great insight – that life has evolved over millions of years by natural selection – has been the cornerstone of all David Attenborough’s natural history series. In this documentary, he takes us on a deeply personal journey which reflects his own life and the way he came to understand Darwin’s theory.

Hunters have disappeared from wildlands without a trace for hundreds of years. David Paulides presents the haunting true stories of hunters experiencing the unexplainable in the woods of North America.

A couple hiking out in the woods, disturb a nest of vampires.

A band of renegade Apaches attempts to steal a shipment of rifles being transported to Fort Collins.

A breathtaking adventure across five continents and through time to reveal nature's most vital secret. Watch a flying fox gorge itself on a midnight snack of figs. Climb into the prickly jaws of insect-eating plants. Witness a mantis disguised as a flower petal lure its prey to doom.

Filmed over 23 years, Rise of the Warrior Apes tells the epic story of an extraordinary troop of chimpanzees in Ngogo, Uganda – featuring four mighty warriors who rule through moral ambiguity, questionable politics, strategic alliances and destroyed trust.

War journalist Paul Prior returns to his New Zealand hometown after his father’s death, rekindling strained relationships with his brother and memories of a troubled past. He befriends Celia, a curious and aspiring writer, who shares a fascination with his world. When Celia mysteriously disappears, Paul becomes the prime suspect, forcing him to confront buried secrets and uncover the dark truths of his family and community.

Follows the story of "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in his attempt to protect the grizzly bears. The film is full of unique images and a look into the spirit of a man who sacrificed himself for nature.

After 5 people win a rafting trip down the Colorado in Utah, their adventure takes a deadly turn when they camp off the river for the night, and find out they aren't the only ones out in the remote rugged canyon lands.

Chaos reigns at the natural history museum when night watchman Larry Daley accidentally stirs up an ancient curse, awakening Attila the Hun, an army of gladiators, a Tyrannosaurus rex and other exhibits.

A group of five college graduates rent a cabin in the woods and begin to fall victim to a horrifying flesh-eating virus, which attracts the unwanted attention of the homicidal locals.