Extreme Alaska: Denali National Park(2008)

Supported by the National Geographic Society, the world's eminent blue whale scientists embark on a revolutionary mission: They'll find, identify, and tag California blue whales, use the DNA samples to confirm the sex of individual whales, then rejoin the massive creatures' stunning migration when they collect at a chimera known as the Costa Rica Dome.

Nestled in the heart of America s great plains are contrasting tastes of a sacred land that beckons the visitor to enter the nation's mysterious and glorious West. A land of soaring pinnacles, deep canyons, hidden caves, national monuments and countless wildlife sanctuaries. It is also the place of the inglorious death of famed gunslinger, Wild Bill Hickok and the most sacred spot for the Lakota Sioux. Enjoy breathtaking aerial views and amazing tours with park rangers. Discover the wonder and awe of these contrasting spectacles of the West, one soaring, rich in forest and water and other barren and deeply eroded, which are brought to together by a shared geology and history. They are the Gateway to the Great American West. They are the Black Hills and the Badlands.

On March 1, 1872 President Ulysses S. Grant signed into existence the world's first national park, Yellowstone National Park. The 2.2 million acres of wilderness is the only complete mid-latitude ecosystem left on the planet.

Travel to Alaska's great wilderness, a place of incomparable beauty and power where you will witness close-up the amazing cycles of life in one of the last pristine corners of our planet Earth. Soar over Mt. McKinley, the tallest people in North America, crown jewel of the vast Alaska range, piercing clouds nearly four miles high. Explore the vibrant territory beneath this stunningly beautiful mountain. Watch caribou roam the plains, listen to the haunting howl of the wolf, witness the flight of the majestic golden eagle, meet a mother grizzly and her two cubs as they emerge from winter's hibernation. You'll be swept up in the drama and beauty of this unique wilderness and you'll enjoy for many years to come its unforgettable scenery.

An orphaned honey badger’s journey to become the toughest hunter on the African savanna.

A documentary propaganda film produced by the U.S. Army Signal Corps about the Aleutian Islands Campaign during World War II. The film opens with a map showing the strategic importance of the island, and the thrust of the 1942 Japanese offensive into Midway and Dutch Harbor. Nominated for the Academy Award for Best Documentary Feature.

First Descent is a 2005 documentary film about snowboarding and its beginning in the 1980s. The snowboarders featured in this movie (Shawn Farmer, Nick Perata, Terje Haakonsen, Hannah Teter and Shaun White with guest appearances from Travis Rice) represent three generations of snowboarders and the progress this young sport has made over the past two decades. Most of the movie was shot in Alaska.

Marine biologist Dr. Austin Gallagher searches for the holy grail of shark research -- the secret breeding grounds of tiger sharks.

Alaska... Here, in this vast and spectacularly beautiful land teeming with abundant wildlife, discover the "Spirit of the Wild." Experience it in the explosive calving of glaciers, the celestial fires of the Aurora Borealis. Witness it in the thundering stampede of caribou, the beauty of the polar bear and the stealthful, deadly hunt of the wolf pack.

A routine drone survey turns deadly when Ryan Johnson, a marine biologist based in South Africa, films a humpback whale being attacked and strategically drowned by a Great white shark. This is a total perspective shift for the creature.