Jun 23, · Tightrope Legend Nik Wallenda on His Grand Canyon Walk, Fear and No Safety Net (Video) "It is, no pun intended, a life on the line," the tightrope legend tells THR of his attempt to walk . Nik Wallenda Walks Tightrope Across Grand Canyon. Florida aerialist Nik Wallenda completed a tightrope walk that took him a quarter mile over the Little Colorado River Gorge in northeastern Arizona. Jun 24, · Man completes tightrope walk near Grand Canyon. About spectators watching on a large video screen on site cheered him on as he walked toward them. A Navajo Nation ranger, a paramedic and two members of a film crew were stationed on the canyon floor and watched from stanpiasta.com: FELICIA FONSECA.