What will the world be like when mankind is extinct? The pyramids may stand forever, but the cities will disappear. Our greatest masterpieces will fade and crumble. As global warming and the depletion of natural resources become ever more pressing issues it is critical to consider how we can reduce our impact on the planet. Journey to locations around the globe already going through the processes of a lack of human intervention. See the changes wrought...

The award-winning Nature series is the longest-running weekly natural history series on television. Winner of the Peabody Award. Rating: TV-G (on both episodes). Two great programs from PBS Nature on one disc! Program 1 - Silence of the Bees explores one of natures most baffling mysteries: the disappearance of the honeybee. Beginning in the winter of 2006, millions of bees vanished from their hives without a trace. The disappearing bees left billions...

Llama trekking, wolf watching and geyser gazing are just a few of the out-of-the-ordinary activities that await. Inside Grand Teton National Park, saddle up for a working dude ranch, feel the rush of whitewater rafting and more.

Hard core science is effortlessly integrated with a light-hearted look at how plants behave. Scientist J.C. Cahill reveals an astonishing landscape where plants eavesdrop on each other, talk to their allies, call in insect mercenaries and nurture their young. It is a world of pulsing activity, where plants communicate, co-operate and, sometimes, wage all-out war.

In the Antarctic, every March since the beginning of time, the quest begins to find the perfect mate and start a family. This courtship will begin with a long journey - a journey that will take them hundreds of miles across the continent by foot, one by one in a single file. They will endure freezing temperatures, in brittle, icy winds and through deep, treacherous waters. They will risk starvation and attack by dangerous predators, under the harshest...

Embark on a month-long expedition to explore stunning coral reefs, shallow water environments, and rare species in America's newest marine sanctuary, Papahanamokuakea Marine National Monument.

Showcases a year in the life of a bear family as two impressionable young cubs are taught life's most important lessons. Set against a majestic Alaskan backdrop teeming with life, their journey begins as winter comes to an end and the bears emerge from hibernation to face the bitter cold. The world outside is exciting-but risky-as the cubs' playful descent down the mountain carries with it a looming threat of avalanches. "Another typically engaging,...

The world is home to an array of creatures that have evolved to survive harsh environments and brutal competition. From lions and great white sharks to cobras and brown bears, National Geographic reveals the deadliest species on the planet. Programs include Lions, King Croc, King Cobra, Super Bear, Spider Attack, and Ultimate Shark.

Where civilization collides with untamed wilderness. Just feet beyond our own backyards rages a spectacle we never see. Join us as we step into this hidden world teaming with life-acreoss impossible mountains and endless deserts. Dive into unexplored forests and crash into rugged coasts. Unforgiving, brutal, yet achingly beautiful, this vast continent offers boundless rewards for those brave enough to take on this land-and call her home.

Startling wildlife photography reveals the sea and its communities at their most fearsome and alluring in this landmark BBC mini-series on the ocean, a world we know less about than the moon.