A double amputee survivalist and an Army veteran take on the ultimate challenge in the jungles of Belize, facing relentless storms, deadly snakes, and relentless swarms of mosquitoes as they push to survive 21 days.

A superfan teams with a supermom to take on the jungles of Mexico's Yucatán Peninsula for 14 days. Battling brutal storms, ravenous bats and unrelenting hunger, they must rely on sheer grit to survive this fan challenge.

A wounded adventurer and a cautious newlywed attempt to survive 21 days in the remote Philippine wilderness; tormented by fire ants, stitches and extreme hunger, their ability to endure is pushed to the brink.