Wallenda walks across Grand Canyon
Daredevil Nik Wallenda got across a river near the Grand Canyon in 22 minutes on a 2-inch thick steel cable, 1,500 feet high.
US & World
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Nik Wallenda completes high wire walk
Nik Wallenda nears the completion of his 1400 foot walk across the Grand Canyon for Discovery Channel's Skywire Live With Nik Wallenda on Sunday, June 23, 2013 at the Grand Canyon, Calif.
Credit: Tiffany Brown/AP Images for Discovery Communications
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