This season of Naked and Afraid will take nudity to places you'll never see coming. Watch the premiere on Sunday, Feb 23 at 8p.

For centuries, experts and archeologists have tried to pinpoint the lost city of Atlantis, but all have failed. Now Rob Riggle is on the case, and Atlantis has nowhere left to hide.

Finding the actual Holy Grail is the holy grail for all global investigators, so Rob's on the case. He's following in the footsteps of the Knights Templar and unearthing new evidence that may prove the grail has been hidden in Scotland all this time.

Rob's recipe to solve a 300-year-old pirate mystery in the Florida Keys? One shovel. One metal detector. One Daquiri.

With winter approaching, the Kilchers pin all their hopes on one hunt.

The entire homestead rushes to prepare for the first storm of the winter.

Family members search for a newborn calf and its mother during a snowstorm.

Desperate for food, the Kilchers struggle to get through a harsh winter.

Spring arrives and the family deals with a rogue hen and hunts for food.

The family battles danger to drive their cattle to the summer pasture.

Atz begins range riding to protect Otto's cattle herd from predators.

The Kilchers call in favors to help build a fence before the high tide.

The Kilchers fish for the hundreds of pounds needed over the winter.

Atz Lee and Eiven travel to "Terrible Island" to hunt deer.

Fall arrives and the Kilchers scramble to finish their winter preparations.

Otto's sense of humor and ingenuity inspire his family and neighbors.