Adventurer Bear Grylls has served with the British Special forces, climbed to the peak of Everest and explored the frozen ocean of the Arctic. Now he faces the punishing heat of the Moab desert in Utah. Over a million people visit The Moab every year, making it the number one extreme sports destination in the USA. But sweltering temperatures and deadly predators make it one of the most dangerous deserts in the world. Like a lost tourist, Bear must make it back to civilization with only a bottle of water, a knife and a flint. On his journey he travels down a maze of narrow canyons, encounters rattlesnakes and escapes quicksand. Find out how to survive in one of the toughest environments on the planet.