Matt and Joe take a huge risk when they split up in the snowy mountains.
The experts retrace the steps of a biker lost in Utah's desert canyons.
Joe and Matt tackle the bear-infested Allegheny Mountains of Pennsylvania.
The experts portray survivors whose plane crashed on a deserted island.
The experts move to a neighboring island after they fail to find water.
Matt and Joe are caught in a Georgia swamp that is home to alligators.
Matt and Joe navigate from the slopes of a tropical volcano to the coast.
Matt and Joe continue to struggle to cross a tropical volcanic island.
The guys battle rain, deadly insects and raging rapids in Costa Rica.
Matt and Joe are marooned on a rocky coast in the Pacific Northwest.
In snowy Wyoming, the guys deal with whiteout conditions and freezing cold.
The guys battle brutal conditions and baboons in Namibia's vast scrubland.
In the Himalayas, Matt seeks enlightenment, while Joe focuses on survival.
