The Black Hole Trail in Slovenia is a mountain-bike trail that goes through five levels of an abandoned underground mine. Watch a pro ride it.

Brazilian surfer Gabriel Medina has won the internet. Check out this impossible photo of him from the Olympics that has gone viral.

A bunch of Olympic skateboarders went skating through the streets of Paris when their bus crashed en route to the venue. Watch it here.

A mountain biker’s recent video of him riding a barely there ridge in the Italian Dolomites is terrifying, and we can’t stop watching.

Rémy Métailler is a mountain-biking legend, and new high-speed follow-cam footage shows why. Watch the drone footage here.

This week, Didier Berthod, a climber and priest, “finally” free climbed the notorious Cobra Crack, 19 years after his first failed attempt.

Kilian Jornet and David Lindgren went extreme steep skiing on a slope that angled up to 60° in some places. It’s bananas to watch.

Be careful where you ride, and be careful where you fall. A mountain biker crashed into a coiled rattlesnake on a trail near San Diego.

Over the course of four days, two climbers took on “The Complete Towers of the Virgin Traverse” in Zion—that’s 20 distinct peaks.

This guy might have a death wish. Watch as mountain biker Kilian Bron rides a narrow cliff ridge and more.