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

A video shows a young boy dancing on a portaledge attached to El Capitan’s sheer cliff face. The post turned controversial fast. Here’s why.

New research links the sport of mountain biking to an unsettling number of spinal cord injuries. Read more here.

Two German men set a new world record for slacklining between two hot air balloons flying at 2,500 meters (8,202 feet). Watch it here.

Watching a man go for a via ferrata in Switzerland makes me think that via ferratas aren’t my cup of tea. Watch the madness here.

A mountain biker participated in a very funny “pregnant challenge” orchestrated by his pregnant girlfriend. Watch it here.

Ben Thouard captures incredible photos of surfers from underwater—a vantage point you don’t usually see. Check out his work.

A terrifying viral video shows a paraglider’s near-death experience as his equipment became impossibly tangled mid-air.

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 BASE jump in Moab, Utah turned tragic when a 27-year-old man crashed after leaping from a cliff wearing a wingsuit.