Walter Bonatti - con i muscoli, con il cuore, con la testa

Trapped near the summit of K2, the world's second-highest mountain, Annie Garrett radios to base camp for help. Brother Peter hears Annie's message...

Divers, mountain guides, paragliders or even base jumpers share their love of extreme sensations.

2005. When a trip to New Zealand gets put off, Boone Speed, Chris Sharma, and Nate Gold have 2 weeks to kill and skin to burn. With stories of...

Come fly with us in OVER ALASKA as we take off on a breathtaking tour of our 49th state. Soar over Mt. McKinley and through the craggy crevasses of...

In 2015, Caroline Ciavaldini set herself the ambitious project of free climbing the Voie Petit, a 450m granite route graded 8b on the Grand Capucin...

After a deep space exploration vessel discovers a potentially habitable planet, a scouting team composed of human and biorobotic individuals is...

14 September 1943: The legendary submarine Y1 “Katsonis” was sunk north of the island of Skiathos by the German submarine chaser UJ 2101....

In 1994, New Zealand mountaineer, Mark Whetu, summitted Mt Everest with climbing partner and friend Mike Reinberger. However it was late in the day...

Follow David Lama and Conrad Anker as they make a second attempt to climb the 6,907m Himalayan peak, Lunag Ri. Weather capers, technical challenges...

A team of 20 elite Nepali climbers venture into the Death Zone of Mount Everest to restore their sacred mountain and the contaminated water source of...

“Getting to the top matters,” or so says veteran alpinist Mark Richey as he prepares to climb Saser Kangri II, at 7,518 meters the...

A taxi driver gets more than he bargained for when he picks up two teen runaways. Not only does the pair possess supernatural powers, but they're...

Discover how the big, bold ideas of Silicon Valley are helping launch a new era of private space exploration in this half-hour KQED Science...

A Viking boy is left behind after his clan battles a Native American tribe. Raised within the tribe, he ultimately becomes their savior in a fight...

A military explorer meets and befriends a Goldi man in Russia’s unmapped forests. A deep and abiding bond evolves between the two men, one...

The climbing brothers Thomas and Alexander Huber attempt to conquer free the infamous "Bavarian Direttissima" (upper tenth degree of difficulty) on...

A year after losing his friend in a tragic 4,000-foot fall, former ranger Gabe Walker and his partner, Hal, are called to return to the same peak to...