This summer, Austrian Felix Baumgartner will attempt the skydive to end all skydives. From the edge of space, 120,000 feet high, the 42-year-old will leap into free-fall, breaking the speed of sound before hopefully parachuting to safety. Baumgartner and other current thrill-seekers on this list are redefining what it means to be a daredevil. And unlike the daring figures famed for a singular death-defying stunt, such as pitching over Niagara Falls in a barrel, most of these individuals have devoted their lives to consistently pushing the limits of what’s mortally possible.
