While most survival shows feature just one or two extreme environments, demands that participants conquer eight distinctly grueling landscapes across the world, each requiring a completely different set of survival skills. With each turn of the Wheel, survivalists must tackle the planet's most unforgiving terrains – including freezing tundra, parched deserts, rugged mountains and steamy jungles – one immediately after another, with little time to prepare what few tools and materials they have.