Snowboarders Jeremy Jones and Elena Hight, and skier Griffin Post, venture out on a human-powered ski and snowboard expedition in the icy wilderness of Alaska's Glacier Bay National Park.

Kayakers Ben Stookesberry, Nouria Newman and Erik Boomer attempt the first descent of the potentially impassable Chalupas River in the vast jungle of the Llanganates National Park in Ecuador.

Climbers Emily Harrington and Adrian Ballinger attempt to accomplish the first individual free climb ascent of a near impossible route on Pik Slesova in Kyrgyzstan.

Surfing never before ridden big waves along the remote West Coast of South Africa.