Expédition extrême

What happens when you put two complete strangers - sans clothes - in some of the most extreme environments on Earth? Each male-female duo is left with no food, no water, no clothes, and only one survival item each as they attempt to survive on their own.

From roots in the Deep South to the slums of New Jersey, "Who Do You Think You Are?" follows the journeys of some of the most well-known names in American popular culture. Watch as celebrities discover unknown details about themselves and their families while researching their ancestry with the help of historians and genealogical experts.

Profiles of some of the men who choose to live off the grid in the unspoiled wilderness, where dangers like mudslides, falling trees and bears are all part of everyday life.