High-wire artistĀ Nik WallendaĀ performed a heart-stopping stunt byĀ traversing the Arizona’s Colorado River Gorge on a 1500-foot-high tightrope. TheĀ DaredevilĀ completedĀ the high-wire walk inĀ 22 minutes and 54 secondsĀ on a 2-inch (5-cm) steel cable over theĀ Grand Canyon on Sunday. The historic event was screened live on the Discovery Channel. Watch the video below.