The guys battle brutal conditions and baboons in Namibia's vast scrubland.
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.
Matt and Joe take a huge risk when they split up in the snowy mountains.
In the Himalayas, Matt seeks enlightenment, while Joe focuses on survival.