An Army mom and a U.S. marine battle alligators, snakes and mosquitoes in the Florida Everglades.

Christina and Steve take on the Mexican jungles of Quintana Roo for 21 days.

Luke, a go-getter from Southern California, and Alyssa, a positive survival instructor, take on the rugged coast of the Yucatan.

Two survivalists take on the hot and hellish conditions of Guyana’s equatorial savannah.

Avid outdoorsman Trenton and novice survivalist Jen take on high elevation in the peaks of Udhampur, India.

Charlie, a no-nonsense New Yorker, and Danielle, a nature-loving vegetarian, attempt to survive for 21 days in the deadly Colombian jungle.

A Navy veteran and a military mother survive on an island in Mexico where they encounter a panther and attempt to avoid poisonous tree sap.

A past contestant returns to the show and along with her partner attempts to survive the jungles of Guyana.

An independent mother and a Green Beret battle sand flies, venomous snakes and an infestation of caiman in Guyana.

Two fans are selected for a two-week long challenge in Nicaragua.