'Skywire Live With Nik Wallenda'
It will be one of the most daring and captivating live events in history -- Nik Wallenda, known as "The King of the High Wire," will traverse the majestic Grand Canyon, without using a harness. On Sunday, June 23, beginning at 8 PM ET, Discovery Channel will capture the nail-biting, play-by-play live event in "Skywire Live With Nik Wallenda."
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"Skywire Live With Nik Wallenda"
Nik Wallenda looks out at the Grand Canyon.