Survival expert John Hudson creates a makeshift stove using an army helmet, sand and some hand lotion. The stove is very similar to the WWII "Benghazi boiler."

Jake Zweig dissects the highs and lows of his Icelandic adventure. Go behind the scenes with the Dudes - Terry Schappert, Jake Zweig, John Hudson and Matt Graham.

John Hudson revisits his adventures in the slot canyons of Utah. Go behind the scenes with the Dudes - Terry Schappert, Jake Zweig, John Hudson and Matt Graham.

Stranded in the mazelike slot canyons of Utah, John Hudson settles in for the night with a hot can of delicious sock tea made from his own sweat.

Matt Graham relives his Arctic Finland adventure. Go behind the scenes with Executive Producer Julie Meisner Eagle and the Dudes.

A starving Matt Graham can't find anything to hunt so he chows down on... a pine tree? In fact, the white inner core is edible and can keep a person alive in a pinch.

After creating shelter, John Hudson starts a fire with a tube of lipstick. How? Lipstick contains petroleum, which is flammable.

Walking under an overcast sky, John Hudson uses a magnetized needle to point in the direction he wants to head: south.

In this bonus scene, Green Beret Terry Schappert tests out a makeshift raft that he built on the island. Will it float?

In this bonus scene, former Navy SEAL Jake Zweig breaks his knife trying to make firewood. Fortunately, he has a couple of spares.

Matt Graham found Costa Rica to be far from a tropical paradise. Go behind the scenes with Executive Producer Julie Meisner Eagle and all the dudes to find out how things really went down.

In this bonus scene, Matt Graham and Jake Zweig square off. Is Matt better with the atlatl than Jake is with his bow and arrow?

John Hudson wakes up in the freezing cold Alaskan wilderness after a snowstorm and decides to brew a cup of tea.

John Hudson relives his harrowing adventure in Alaska during a snowstorm. Go behind the scenes with Executive Producer Julie Meisner Eagle and all the dudes to find out how things really went down.

In this bonus scene, Matt Graham takes a refreshing swim in a pond below a waterfall before he heads off into the unforgiving jungles of Costa Rica.

In this bonus scene, Jake Zweig, his giant pink teddy bear slung over his back, march through the icy Central Highlands of Iceland.

It's the ultimate survival game: five world-class survival experts have 100 hours to make it out of the middle of nowhere...alive.

When disaster strikes at the top of the world, a rare breed of pilots puts their lives on the line. Watch Everest Rescue Sun Jan 8 on Discovery.

Just because you can fly at altitude doesn’t mean you can land. Everest rescue pilot Jason takes on the challenge of landing his helicopter on the mountain for the first time.

The Khumbu icefall is one of the most dangerous places on Earth. Watch as a group of climbers take on this treacherous stretch.

Each helicopter seen on Everest Rescue was rigged with 20 cameras. Go behind the scenes with the Everest Rescue producers and pilots to see how it’s done.

A year after the tragic earthquake on Mount Everest, Everest Rescue producer Joe French returns to basecamp to reflect on the lives that were lost and saved that day.

The Lukla airport in Nepal is the gateway to Everest and home to the most dangerous runway in the world.

Before beginning their journey, Everest climbers take part in a sacred ritual called a puja.

With climbers in critical condition, pilot Ryan is racing against the clock to find and rescue them before they die of altitude sickness.

Pilot Jason has rescued a critically ill climber in his helicopter, but he's not out of the woods yet.

In 1862, an English miner struck gold in British Columbia and set off one of the deadliest, yet lucrative, rushes of the mid-1800s.

Master prospector does not equal master cameraman. John battles more than the elements in full panorama.

Ben has a close encounter with things that go creak in the night.

Watch John’s personal attack on his nemesis, Technology. Now in infrared.

Prospectors hoping to strike it rich in Devil’s Canyon can only bring in what they can carry on their backs.

Ten days into his journey, Ben still hasn’t found a source of protein. But an early snow might have brought good luck.