Behind the scenes of the survivalist reality-TV show.

A homeless teen stumbles upon a strange house party.

Pinned down in deep snow and running out of food, veteran thru-hiker Stephen “Otter” Olshansky scraped his way to a campground latrine, holed up inside, and prayed for help to arrive.

A mother and child navigate life after a natural disaster.

Five Mexican fishermen head out with enough supplies for several days. They’re gone for nine months. A story of survival in the South Pacific.

Under mysterious circumstances, two sisters are abandoned on an island.

At the age of 20, Christopher Knight parked his car on a remote trail in Maine and walked away. He had no plan. He had no tools. And he survived alone for 27 years.

What went wrong when a group of canyoneers was caught by a flash flood in Zion National Park.

A helicopter pilot crash-lands in the Arctic.

How the Chilean miners survived.

Abandoned children make a home in a hollowed-out school bus.

"The dead squirrel lies shocked on the floor, spun down by lightning last night, claw-up and crusted. The little girl uses a knife to split the thing down its belly and starts peeling. Lucky, she says to her brother. You’re lucky I’ll share with you. Aunt Helen brushes their hair, one by one, picks insects and sticker vine from their legs. A night like all nights: She leaves through the front door without saying goodbye. The children blow kisses. They pray for their mother. They sleep."

Two days after the Japanese tsunami, after the waves had left their destruction, as rescue workers searched the ruins, news came of an almost surreal survival: Miles out at sea, a man was found, alone, riding on nothing but the roof of his house.

The original story of Christopher McCandless’ fateful trip into the Alaskan wilderness.