What happens when a paraglider drops his or her phone? Well, if you’re that person’s emergency contact, you might be in for a rough ride.

Andrew Kalinyak survived a BASE jump gone wrong, but the gnarly accident nearly killed him. See his video here.

Christian Arehart landed a quadruple backflip on his mountain bike—a world first. Watch him send it and learn more about his incredible feat.

Mountain biking is kind of like regular cycling, except you’re more likely to get hurt. Watch a funny video about mountain biking here.

A whitewater kayaker shared a video of him kayaking in a narrow river carved through ice and snow. There’s even a surprise ending.

Mountain biker Marco Bassot’s latest video proves he’s still looking for new ways to terrify the rest of us with his first-person videos.

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.

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

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

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.