DNA testing companies are trending nationally, with over 30 million Americans hoping to receive clues to family origins and forecasts of their future health -- not knowing the results can be misleading, or not considering that family secrets can tear apart relationships. The biggest risk, however, may be what these companies do with our information once they have it, so this program objectively explores the promise and peril of consumer DNA testing....

Krill are tiny, shrimp-like creatures crucial to the Antarctic ecosystem and, maybe, to the future of all oceans. Join the research ship Polarstern in the vast Antarctic ice pack in search of ice caves and juvenile krill.

Harpy eagles are the most powerful birds of prey in the world. Standing three feet tall, with a six-foot wingspan and razor-sharp talons the size of bear claws, these birds are the heavyweight hunters of the South American rainforest. But scientists know very little about harpy eagles because their numbers are few, their habitat is large, they never soar above the trees, and they rarely come to the ground. Nature enters their secret world with wildlife...

By using Spy Creatures, realistic animatronic cameras disguised as dolphins and other animals, scientists gather information about bottlenose dolphins near Mozambique.

The show offers a blue chip, continent-wide series ranging from the land's highest snow peaks to the depths of the frigid and wild southern seas; from its last populations of wild numbats to its largest diorama of giant cuttlefish. It's a land of diverse beauty, that delights, and surprises. The series both entertains and deepens our understanding of how the natural world is made up of not just unique species, but distinct individuals, whose lives...

Collection of National Geographic specials about a variety of wild and domestic animals.

An epic documentary bringing life to America's most destructive - and defining - conflict. Here is the saga of celebrated generals and the ordinary soldiers. A heroic and transcendent president and a country that had to divide itself in two in order to become one again.