DISCOVERY HD WORLD

The couple attempts to traverse the Great Smoky Mountains, where they must avoid hungry black bears and a host of other dangers.

Fritz Meinecke shares the challenges of travelling on a dog sled across the icy terrain of Greenland and highlights the inherent beauty of the harsh region.

Mario risks his life by rafting down the deadliest strip of water in Africa, the Zambezi River. Soon he finds himself face to face with some of the most dangerous man-eating crocodiles on the planet.

After abseiling into the forbidding Borneo jungle, Bear must descend treacherous cliffs, battle snakes and leeches and deal with torrential rain in order to survive.

Survival experts Fernanda and Palma face the risk of hypothermia and altitude sickness in Colombia's Chingaza Páramo mountain range.

Barefoot among the karst spires of Guangxi, Ed must learn to navigate the razor-sharp rocks and deadly snakes in this scarce environment.

Mario Kalpou's passion for harvesting wild food through hunting and fishing leads him to some of the most extreme environments on the planet.

Deep in the heart of Vietnam, Bear Grylls encounters rocky terrain and faces deadly creatures as he journeys along a river.

A popular Polish lorry driver undertakes the daunting task of navigating India's notorious and chaotic road networks, all while exploring the culture.

Stranded in the high altitudes of the Peruvian Andes, Grady and Josh fight altitude sickness and the accompanying hallucinations and must find fresh water soon.

Bear drops from a bi-plane into the Chihuahuan Desert in West Texas, where he withstands extreme heat, navigates deep gorges and dodges deadly diamondbacks.

Ed Stafford travels the globe to attempt the world's toughest coming-of-age rituals.

Mario risks his life by rafting down the deadliest strip of water in Africa, the Zambezi River. Soon he finds himself face to face with some of the most dangerous man-eating crocodiles on the planet.

Mario Kalpou journeys to the middle of the Namib Desert in Namibia to hunt the desert oryx and understand the habits of other wildlife.

The host joins the Naru people to embark on an adventure in the Kalahari Desert and experience different cultures and cuisines.

The couple attempts to traverse the Great Smoky Mountains, where they must avoid hungry black bears and a host of other dangers.