Daredevil Nik Wallenda on Sunday will attempt to become the first person to walk across the Grand Canyon on a tightrope.
The 34-year-old Sarasota, Fla., resident will set out 1,500 feet above the Little Colorado River Gorge during the Discovery Channel's "Skywire Live" special starting at 8 p.m. EDT.
"A lot of it is the mental preparation," Mr. Wallenda said Friday on NBC's "Today" show. "As I come out here, my heart's beating with excitement because this is a dream becoming reality. There will be nerves right before the walk for sure, but some of the greatest entertainers in the world, the best entertainers in the world, get nervous before they go onstage. This just happens to be a very unique stage."
The stunt comes a year after he earned a seventh Guinness world record for crossing Niagara Falls. Although during tonight's stunt, he won't be wearing a safety harness.
"The biggest purpose is, or reason is, because I've never worn one before other than that Niagara Falls walk, which I had no training for, so it's something that's very uncomfortable for me,'' Mr. Wallenda said. "It's like telling you to get in the car and drive on the other side of the road today, it's something that you're not accustomed to."
The two-hour broadcast will showcase the Navajo landscape that includes Monument Valley, Four Corners, Canyon de Chelly and the tribal capital of Window Rock, the Associated Press reported.
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