Among Big Cats and Anteaters - With Lydia Möcklinghoff in Brazil's wildlife

Two journalists traverse the Grand Canyon by foot, hoping this 750-mile walk will help them better understand one of America's most revered landscapes and the threats poised to alter it forever.

The grasslands of Africa are a banquet spread for feline predators. Explore the hunting and nurturing habits of lions, leopards, and cheetahs of the African savannah, as well as the overlooked grasses that lay the foundation for the amazing array of wildlife flourishing among its leaves.

This documentary examines the threatened habitats and the three great predators: the jaguar, the leopard and the cheetah, of the great South American jungle, the Masai Mara grasslands of Kenya and the bushland of South Africa.

A dive inside a wild land where nature hides some of her greatest secrets: The Alps. Steep slopes, wind swept cutting edge rocks. An air desperately lacking of oxygen. A biting cold. How do living beings adapt to those extreme conditions?

In this wildlife drama, a worsening dry season in the Kalahari Desert leaves prides, packs and herds to rely on the power of family to survive.

National Geographic : Le Royaume de l'ours polaire

Alone, 180 Days on Baikal Lake

Filmmaker Kip Andersen uncovers the secret to preventing and even reversing chronic diseases, and he investigates why the nation's leading health organizations doesn't want people to know about it.

A group of scientists are thinking outside the box for ways to reverse the effects of global warming. And who better to save the earth than National Geographic Channel's host of the World's Toughest Fixes, Sean Riley? He'll join these experts in the labs and in the field to see what wacky new technologies are being developed, like sending mirrors into space and reducing the greenhouse emissions chickens produce.

In 2009 a team of British cavers went on an expedition deep within the jungle of central Vietnam. To their amazement they discovered an enormous cave which they believe to be the biggest in the world. The team, the first humans ever to enter the cave, traveled 6 kilometers underground until their way was blocked by a gigantic rock face they dubbed 'The Great Wall of Vietnam'. Now they have returned, but this time with the right equipment to climb the wall and with a geologist and zoologist to discover if this is indeed the Biggest Cave in the World and what secrets lie deep within?

A Culpa é do Sol

Cast out by his pack, a young wolf has to face his destiny alone and try to survive in a world reigned over by Man. From the forests of Romania to the coastline of the Atlantic Ocean, he heads off in search of a new territory, a new pack and a new family.

See the world's first MRI scan of a great white shark as Ultimate Shark reveals the extreme engineering and predatory abilities of one of nature's most near perfect predators. Hear firsthand accounts of people who survived harrowing encounters, including a surfer who was bitten on the arm and leg, towed by the surfboard ankle strap and miraculously escaped only with minor injuries. National Geographic demystifies the true motives and power behind their behavior.

Peter Gimbel and a team of photographers set out on an expedition to find and film, for the very first time, Carcharodon carcharias—the Great White Shark. The expedition lasted over nine months and took the team from Durban, South Africa, across the Indian Ocean, and finally to southern Australia.

A coming of age story following a young meerkat pup, Kolo, growing up in the Kalahari desert; and an inspiring look at how one family's connection to each other and their surroundings is a model of resilience and fortitude for us all. Shot using ground-breaking techniques, this dramatised documentary is a one-of-a-kind presentation from The Weinstein Company and the BBC, featuring narration by Paul Newman.

Así sembramos nuestra agua

BBC The Natural World. In 2004, a team from the Planet Earth series captured the first ever film of a wild snow leopard in the mountains of Pakistan. For Nisar Malik, who led the expedition, these images sparked a passion that compelled him to return. With cameraman Mark Smith, he spent two years documenting the snow leopard's daily life, finally lifting the veil on the most elusive of all cats.

Before Cinema Novo revolutionized the Brazilian cinematic scenery, a young craftsman and Bahian filmmaker had already paved the way for the beginning of the journey for some of the biggest and most popular films of Brazilian history. The documentary tells fragments of the story of director Roberto Pires, through snippets of his life and a journey through his body of work, interspersing archival footage, scenes of his films and an interview with his son, also a filmmaker, Petrus Pires, followed by a poetic narration and an original soundtrack inspired by his film Abrigo Nuclear.

Ocean Voyagers explores the familiar themes of motherhood and parenting in a world as unfamiliar as it is breathtaking. Featuring a precocious newborn humpback calf and his enormous 40 ton mother, we are taken on a journey of discovery into their world.

In Dark Green we follow conservationist and storyteller Paul Rosolie deep into the jungle of the Amazon, risking his life to learn more on this last remaining wilderness on earth.