Part one of two. Nick ventures into one of the least hospitable places on Earth, a region in southwest America where the world's highest temperature of 57 C was recorded in 1913 and which at 282ft below sea level is also one of the lowest spots on the planetIn the hottest place on Earth. Nick goes sand-buggy driving, experiences dawn at Zabriskie Point, and meets survival expert Tom Coyne, who shows him how to forage for food, find water and make a fire