Stefan Glowacz

Six years ago, Australian fishermen saw huge waves breaking at Pedra Branca, the southernmost land of Australia's continental shelf.

In 2015, Charlie Head will attempt the first ever standup paddle boarding of the main water source of the Amazon, the Rio Marañón in Peru.

In search of a new challenge, Swiss mountain climber Ueli Steck gets into peak condition to break the speed-climbing record for the three most notorious northward faces in the Alps.

Jon Durand sets out to perform loop-the-loop hang-gliding aerobatics on the leading edge of the so-called sky tsunami, Morning Glory, a two kilometre-high tube-cloud phenomenon.

A group of climbers attempts to descend into an active volcano to get as close as possible to the spitting lava lake. They brave poisonous gases and searing heat climbing into the earth.

A pair of professional cave explorers travel to Abaco Island in the Bahamas to take underwater cave diving to a new level.