Explorers climb and kayak the seemingly unreachable

Boulderer Vadim Timonov travels to Lake Baikal,Russia to climb the rocks protruding from the frozen surface.

A kayaker with a dream of running the best water in America travels from Germany to Hood River, Oregon, USA.

Gareth Leah is a big wall climber with chronic wanderlust who's attempting to scale a remote African peak.

The unknown awaits the Chungqing caving team as they descend 1,000m into the depths of the caves in Wanzhang.

Four adventurers push themselves physically, mentally and spiritually to conquer what once seemed impossible.

Boulderer Vadim Timonov travels to Lake Baikal,Russia to climb the rocks protruding from the frozen surface.

The unknown awaits the Chungqing caving team as they descend 1,000m into the depths of the caves in Wanzhang.

A kayaker with a dream of running the best water in America travels from Germany to Hood River, Oregon, USA.

Gareth Leah is a big wall climber with chronic wanderlust who's attempting to scale a remote African peak.

Matty Hong and Margo Hayes challenge themselves by ascending two of the hardest climbs in Colorado, USA.

Sasha DiGiulian has to find creative solutions to the challenges of training with only one leg.

Sasha teaches climbing basics and tries her hand at kiteboarding in Hood River, Oregon.

Follow kayaker Nouria Newman's vlog as she embarks on a treacherous solo expedition in the Himalayas.

B-Boy Junior explains how strength is not only in the legs and arms, but begins in the mind.

Members of a Memphis climbing gym travel to the frozen wilds of Montana for an ice climbing adventure.

Watch the mission to stand up paddle board down the Rio Marañón, the source of the Amazon River.

Members of a Memphis climbing gym travel to the frozen wilds of Montana for an ice climbing adventure.

Sasha DiGiulian heads to Eldorado Canyon with Laura Capps to climb the multi-pitch route Vertigo.

At 42, Chris Sharma conquers Black Pearl in Mallorca – his toughest deep water solo climb yet.