An epic trek to conquer 3 unclimbed walls in 3 countries

Mountaineer Stefan Glowacz embarks on an expedition along the historic Silk Road.

This 915m sheer mountain face in Yosemite National Park, California is considered the mecca of rock climbing.

Climbing ace Chris Sharma embarks on a pioneering free climb in the woods of northern California, USA.

Alex Honnold attempts his latest and most treacherous single-push solo mission in Red Rock Canyon, Nevada.

Climber Molly Mitchell pursues a rare, all-gear ascent of Boulder Canyon's dangerous Crank-it.

A group of intrepid professional skiers risk it all to ski the remote and desolate Pacific island of Onekotan.

Hazel Findlay and Maddie Cope journey to the rocky outer reaches of Mongolia to search out unclimbed lines.

Set sail on an Arctic adventure with a group of musical mountaineers and their ship, Dodo's Delight.

Sasha DiGiulian creates new routes in a Grecian area not typically travelled to by the climbing community.

Big wall climbing legend Chris Sharma introduces his mega new project in Siurana, Spain: the Sleeping Lion.

Besides shooting the solar eclipse, the team has one goal: to ski the couloirs of the so-called Facebook Wall.

Climber Chris Sharma attempts to climb from the bottom of the huge Majlis al Jinn cavern back to the surface.

The Dodo's Delight is off to explore the untapped climbs of the Arctic, but it's not all smooth sailing ahead.

Gabriel Villarán and crew explore routes on Peru’s coastline, discovering waves that haven’t yet been surfed.