Tales of things going very wrong

Ultrarunner Dylan Bowman recounts a mid-race encounter with “the world’s most vicious yellow lab".

Deep in the Yukon, a crew of mountain bikers are confronted by a family of grizzly bears.

Wingsuit BASE jumper Jeff Provenzano recalls the time he ended up landing 60ft off the ground in a tree.

Comedian Zach Anner and his friends make an impossible trek to a cascading waterfall in West Virginia.

If there’s one thing Rush Sturges can say about himself, it’s that he’ll never stop paddling.

The Rio Cajones lives up to its name as the guys ride rapids and rappel rock walls in the canyon for two days.

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

Most people choose to be a big wave surfer or have a desk job, but Ryan Seelbach has found a way to do both.

Crossing the Torres Strait is one of the riskiest journies on the ocean. Making a film about it, even more so.

Drop down the 50ft waterfall on a kayak in Maui with Poopies in this GoPro footage.

One of the strongest climbers on earth must overcome his fear of heights in order to make bouldering history.

A once-promising skateboard pro tells the story of how losing his ability to ride has led to a fuller life.

The Turner Twins are two professional adventurers on a mission to reach the world's poles of inaccessibility.

Team SoloMid’s CS:GO and Vainglory gain valuable insights about their teamwork while at a ropes course.

Adolfo 'Fito' Trujillo’s discovery of climbing in the limestone sinkholes turns the farmer’s life around.

A pair of intrepid cave divers attempts to connect two gigantic cave systems in the Bahamas and make history.