Despite his warnings about safety Bear takes some questionable risks in the Belize rain forest. He swings on a vine over a gorge, crosses a narrow log bridge above raging river rapids near a convergence of waterfalls and confronts a boa constrictor. But Bear finally builds a raft that doesn't sink.

Bear Grylls travels around the globe to find the most dangerous tourist locations and environments, in order to show us how to survive in them. With his simple survival techniques and his knowledge of the wildlife, he is able to give handy tips...

Bear traverses Iceland's glaciers where he encounters freezing ice crevasses, boiling mud pits, frigid rivers and volcanic steam vents. But there's no getting around that it's cold so Bear builds a hot tub and strips down for a soak. All warmed up it's time for a walk in the rain and a climb down a waterfall.