A moment can change everything

Test pilot Elliot Seguin must decide if he should build and fly an experimental plane as an expectant father.

Freediving saved Stig Pryds's life. Now he's preparing to put his life on the line for his deepest dive yet.

Sailau is one of the last Mongolian eagle hunters and must try and pass on his skill for it to survive.

In Northern Spain, percebeiros (barnacle hunters) risk their lives to capture coveted gooseneck barnacles.

Two years after breaking her neck, professional bronc rider Kaila Mussell prepares to get back on the horse.

Adventure photographer Krystle Wright is about to risk it all in hopes of capturing the image of a lifetime.

To see if he's ready for a professional cycling career, a bike messenger attempts California's toughest hill.

Street artist Alex Yanes has sold his work in Miami's high-end galleries, but this project is about a legacy.

With 20 days left until race day, the teams face unique challenges while getting ready for the starting line.

Paige Alms is leading the charge in women's big wave surfing, and she's doing it for all the right reasons..

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

Surfing may be an individual sport, but the community of Hawaiian surf pros shares in one another’s successes.

Follow big wave surfer Mark Mathews's incredible journey to take back his life and conquer his fears.

Runners Ryan Sandes and Ryno Griesel face challenges in the Himalayas, but do their best to power through.

The preparation's done. All that now stands between the teams and their goal is 1,350km (840 miles) of desert.

In a year full of unparalleled challenges, Kate Courtney revs up for the biggest race of her life.

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

Surfer Andrew Cotton thinks death should be stared in the face from time to time and psychologists agree.

Growing up among the world’s best watermen shaped him, but Kai Lenny is now taking it to the next level.

Six everyday people dedicate their lives to the bicycle and show how we can all change the world.