Because usual tightrope walking is apparently not daring enough, a group of extreme sports enthusiasts took to the skies to attempt to walk a line from one hot air balloon to another. And they brought cameras to film their own terrific falls.
Jeb Corliss has created a highlight reel of his greatest wingsuit stunts, and the results are electrifying. Watch him fly through the air like some literal batman, narrowly avoiding cliffs, the Christ the Redeemer statue in Rio, and certain demise.
Apollo 14 astronaut Alan Shepard famously took a golf ball along with him to the Moon, making him the first person to play golf on another world. But just how far did his shot travel? One physicist has the answer.
The great challenge for any climber is to conquer each continent's tallest mountain. But tomorrow's climbers can consider a far more extreme challenge: leaving Earth to climb the tallest peaks of the solar system. Here's how they'll do it.
Thus far, orbital skydiving has been the province of Star Trek and Starship Troopers, but new technological advances that deal with the heat of reentry could make orbital skydiving the next extreme sport.