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Bear Grylls shares how to survive in the Alps, Europe's greatest mountain range, where 120 million people visit every year, and thousands become stranded. After parachuting in, Bear demonstrates specialty survival techniques.

Bear Grylls faces the heat in Moab, Utah.

Bear travels to America's greatest mountain range -- the Sierra Nevada -- and uses his knowledge of American Indian survival techniques to build shelters, calm wild horses, and find food.

Bear Grylls faces the icy peaks of the Chugach Mountains, Alaska, where over one million people visit each year, and 500 become stranded. He must use his specialist survival skills and knowledge to journey across what is one of the toughest known environments.

Bear Grylls shows how to survive on the African Savanna by taking on the role of a lost tourist. Every year, 40 US citizens die after being attacked by wild animals here. Bear shares how to avoid predators, find water and food and use natural medicines in this parched and dangerous environment.

With two million alligators, thousands of snakes and even black bears, the waterlogged lands of the Florida Everglades have many hazards. Adventurer Bear Grylls wades through the alligator-infested waters to demonstrate how to stay alive when stranded in this beautiful but deadly tourist destination.

Mountaineer Bear Grylls profiles Hawaii's Kilauea volcano.

Adventurer Bear Grylls demonstrates how to survive in Ecuador's extreme environments. He paraglides onto the edge of the Andes mountain range and braves the jungle, building bamboo bridges, making a bow and arrow and showing which plants are poisonous.

Bear travels across Kenya.

Climbers survive in the Alps in potentially fatal conditions.

In the dramatic landscape of Mexico's Copper Canyon, adventurer Bear Grylls demonstrates how to survive by using traditional cave shelters, fishing without lines or nets and finding scorpions and grubs to eat.

Adventurer Bear Grylls shows how to survive in Iceland's arctic conditions, where 500 thousand tourists visit every year to see the freezing glaciers. He demonstrates important skills needed to survive, such as how to make a snow cave, find water in deep tunnels and avoid frostbite.

Adventurer Bear Grylls is in Scotland's Cairngorm mountains where he has to face arctic blizzards, use a deer skin for shelter and trap rabbits to eat.

Bear Grylls demonstrates how to survive in Mexico's Copper Canyon.

Bear Grylls demonstrates how to survive in Australia's outback.

Bear Grylls ventures into Scotland's Cairngorms.

Adventurer Bear Grylls survives on a desert island in the Pacific Ocean.