Climbers can die from severe altitude sickness, falls into deep crevasses, exposure, and other threats. Professional mountaineer Garrett Madison has achieved the Everest triple crown not once ...

Everest 14 times, and has led more than 80 other climbers to the top since 2009. In May, he earned his second "triple crown .

He just achieved his second "triple crown," what some consider to be the world's ultimate high-altitude mountaineering prize. Only a few climbers have summited the Everest region's triple crown.