Discovery Channel School's World Geography library allows teachers maximum flexibility when incorporating video into the classroom. This video library covers all the regions and countries of the world.

An explore your world handbook.

Take a close look at some of the wildest bikes ever built. Close-up photos take you bike-side to check out the awesome details on 13 radical rides from Discovery Channel's American Chopper series. See how Paul Sr., Paulie, Mikey, and the other guys in the shop take an idea to the limit on their spectacular choppers, and find out what they really think about each other.

Each season, as the ever-thinning Arctic ice recedes, polar bears face a daunting challenge; Grizzly bears in British Columbia must use ingenuity and fancy footwork to collect their catch; The annual rains of the Serengeti draw in the greatest concentration of large animals on Earth; Each year, billions of sardines flood South Africa's east coast creating an action-packed feeding frenzy; Thousands of animals make the long trek toward the life saving...

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.

Collects footage, narrated by Oprah Winfrey, of a wide variety of plants and animals from around the world, covering their adaptability and survival tactics.

Tells the story of the Titanic, discussing its construction, appointments, and passengers; describes the reasons the supposedly unsinkable ocean liner sank; and provides photographs and information about the scientific expeditions to the wreck site and the objects that have been recovered from the ship and debris field.

Chronicles expressions of courage under fire.