Summiting Mount Everest is no small task. From planning the trip out, training for it and executing the climb, it's a serious amount of work. Check out below as a climber goes through a time-lapse of what it looked like to get everything ready for his climb before eventually tackling the ...

Risk factors know no shortage in base jumping. That's why precision is key when jumping off a big wall or building with little distance between the jumper and the ground. But precision doesn't just matter before the parachute is deployed, it's a huge part in the landing, as this jumper expertly ...

We all feel this skiers pain after his unfortunate showdown with a gate while making a run down a mountain. It looks like the Frenchman barely missed turning hard enough and got hit right in the groin. As bad as it is, it's hard to know whether to laugh or fall on the floor in agony, thanks ...

Nicoli Rogatkin must have nine lives or a seriously stressed out guardian angel, judging from this nasty looking mountain bike crash. Everything looks like it's going pretty good as Rogatkin tears down a narrow mountain ridge that looks like it could crumble underneath his tires at any second. ...

An incredibly determined bear cub shows us all what it means to never give up in its effort to climb up a steep snow-covered mountain. The pair initially is right beside each other as they start to scale the mountain, but the cub can't quite reach its mother once she makes it to a ridge. The ...

We don't know about you, but getting us to base jump would be a near impossible task. Ad fog to the mix and you'd have a better chance of getting us to take up knitting over a fishing trip — not gonna happen. GoPro athlete Marshall Miller apparently has zero fear of anything as he base jumps ...

Climbing and then skiing down a mountain that has killed nearly a quarter of anyone who's attempted to climb it sounds like a recipe for disaster. But that wasn't going to stop Polish ski mountaineer Andrzej Bargiel from taking on K2. The mountain is only 650 feet shorter than Everest, but it's ...

The Mount Marathon Race is one of the oldest and most extreme races in the country. The 5k involves running up a 3022-foot mountain and it takes place during one of the most popular 4th of July celebrations in Alaska. Although the men's and women's race is very hard to get into, a nearby t-rex ...

What started off as a frisbee challenge quickly turned into what might be the longest throw ever. The mountainside throw quickly turned into an insane chunk of the frisbee that shot up into the sky after a gust of wind sent it upward. We're guessing there must've been a few UFO sightings in the ...

This cyclist might be a good contender for the next Tour de France! After catching up with a motorcycle group riding down a mountain, a cyclist eventually manages to overtake them and grab the lead. However, he isn't able to get past the pickup truck in front of him no matter hard he tries. ...

There aren't many who wouldn't even attempt to go down a mountain at 70mph in a vehicle, much less a longboard. But that's exactly what Boulder, Colorado native Zak Maytum does when he bombs down a mountain. Get ready to sweat bullets!

Someone just might owe this guy their life after he pulls a giant chunk of loose rock from a mountain. A man can be seen prying a section of this mountain off in Chulilla, Spain, in order to make the route safer for any future climbers that will traverse the mountain. Even though it's clear he's ...

Toboggans aren't exactly known for taking big jumps and getting big air. Treehouse Mike wanted to change that while taking one for a ride in Squamish, BC. He manages to find the perfect spot to get some big air on his toboggan jump — it's more riding off the side of a mountain than a jump. ...

This snowboarders descent of what's essentially an insanely tall wall of ice might not look like a traditional ride, but it took some seriously superhuman will to make it through. The rider starts out attached to a rope until the length runs out and he's on his own. At this point, one wrong move ...