An actor re-creates a raftborne exploration of the Colorado River. The first recorded successful descent of the river through the canyon took place when one-armed Civil War veteran John Wesley Powell led a team of nine men, only six of whom were ever heard from again.
Image from Grand Canyon: The Hidden Secrets
Grand Canyon Skywalk Video
Watch this un-narrated video and see what it's like to stand 4,000 feet above the Grand Canyon's floor.