Stranded in the Peruvian Andes, Grady and Josh battle altitude sickness.

Experts face Wyoming’s Bighorn Mountains in the dead of a brutal winter.

Grady and Bo are dropped into separate locations of a Colombian jungle.

Innovative survival tricks help acquire food, shelter, fire and water.

Stranded deep in the Amazon, Mykel and Ruth fight to survive the searing heat, poisonous reptiles, and a jungle that conceals its most deadly threats - and the way out.

The Hawkes find themselves at the bottom of the food chain in Botswana.

Mykel and Ruth get blown off course while sky diving, and find themselves knee deep in Louisiana gator country, far from help and far too close to a murders' row of hungry reptiles.

The Hawkes battle hypothermia and dehydration on the coastline of Tasmania.

The Hawkes' adventure turns deadly in the merciless Mexican desert.

The Hawkes find themselves in the frigid waters of the Colorado River.

The Hawkes find themselves on the rat-infested desert island of Aitutaki.

The Hawkes break down in the remote wilderness of Alaska.

The Hawkes find themselves off the beaten path in the Smokey Mountains.

The Hawkes are on the menu for hungry reptiles in a steaming jungle hell.

The Hawkes find themselves broken down in the Bermuda Triangle.

The Hawkes fight their way through a raging forest fire in Louisiana.