Polar Bear Town

A celebration of California’s wildlife and wild places, and their coexistence with the 40 million people who call it home. Famous for its beaches and Hollywood, California is also a wellspring of biodiversity. Bounded by mountains, deserts and the Pacific Ocean, here are iconic wild places like Yosemite National Park and Death Valley, as well as Baja California’s lesser-known wild beauty.

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In new six-part series Untamed China, wildlife adventurer Nigel Marven explores the country's mountains and grasslands, crosses its greatest deserts and treks through its deepest jungles in search of the rare, little-known and extraordinary creatures that live there. Over half of China's plant and animal species live in Yunnan Province in the far southwest of the country. In episode one, Nigel goes there to explore the ancient city of Dali and the surrounding mountains and forests. He meets some bizarre and deadly reptiles and amphibians, goes on a very unusual fishing trip, enjoys the fairy-tale lifecycle of butterflies and gets up close to highly endangered Yunnan snub-nosed monkeys.

David Attenborough celebrates the amazing variety of the natural world in this epic documentary series, filmed over four years across 64 different countries.

Three Big Cats occupy the top of the food chain, but they must compete for prey and territory on the shores of Botswana's Gomoti River.

Sitting on top of one of the world’s largest super-volcanos are 3,500 square miles of the most spectacular American wilderness. This summer, National Geographic Channel opens this world to you LIVE with a four-night special event. The action reaches boiling point in the world’s first National Park, Yellowstone.

Millions of years ago, incredible forces ripped apart the Earth’s crust creating seven extraordinary continents. This documentary series reveals how each distinct continent has shaped the unique animal life found there.

Capturing the high drama of the Serengeti’s distinctive wildlife up close.

Pierre Elliott Trudeau was one of the most striking, well-spoken and controversial leaders in Canadian history. He brought with him an almost rock-star aura of popularity to office in the 1960s, marking what was known as "Trudeaumania" in Canada during one of the country's most exciting and important times. Yet Trudeau's eccentricities were regularly mistaken for arrogance and he was often considered a traitor, particularly by those who wanted to see Quebec separated from the rest of Canada. With the province rocked by terrorist bombings and the nation disturbed by civil unrest, Trudeau was determined to "put the country in its place." Through hours of archival footage and interviews with Trudeau himself, Memoirs details the story of a man who used intelligence and charisma to bring together a country that was very nearly torn apart.

Zoologist Jack Randall journeys into Australia's Outback to encounter extraordinary wildlife.

They know how to kill and how to cure. Inside a hospital, at home, or maybe even next door. They are trained to save lives but also know how to take them. Delve into the stories of killers who broke the Hippocratic Oath to use their medical knowledge for murder, taking the lives of often vulnerable victims instead of caring for them.

David Attenborough reveals the surprising truth about the cold-blooded lives of reptiles and amphibians. These animals are as dramatic, as colourful and as tender as any other animals.

Sir David shines the spotlight on some of nature’s evolutionary anomalies and reveals how these curious animals continue to baffle and fascinate.

Sir David discovers a microscopic world that’s invisible to the naked eye, where insects feed and breed, where flowers fluoresce and where plants communicate with each other and with animals using scent and sound.

Venture across world-famous and lesser-known national parks to reveal the diversity and wonder of the United States, from the lush valley floors of Yosemite to the constantly erupting volcanoes of Hawai'i.

From the vast Gobi Desert to the jungles of Borneo, and from the polar wilderness of Siberia to the coral seas of the Indian Ocean, showcasing the breath-taking variety of Asia's wildest places.