![Tightrope walker Nik Wallenda walks the high wire from the U.S. side to the Canadian side over the Horseshoe Falls in Niagara Falls, Ontario June 15, 2012. Wallenda, a member of the Tightrope walker Nik Wallenda walks the high wire from the U.S. side to the Canadian side over the Horseshoe Falls in Niagara Falls, Ontario June 15, 2012. Wallenda, a member of the](https://c8.alamy.com/comp/2E5JCDE/tightrope-walker-nik-wallenda-walks-the-high-wire-from-the-us-side-to-the-canadian-side-over-the-horseshoe-falls-in-niagara-falls-ontario-june-15-2012-wallenda-a-member-of-the-famed-flying-wallendas-family-of-aerialists-completed-a-historic-tightrope-crossing-through-the-mist-over-niagara-falls-gorge-on-friday-stepping-from-a-2-inch-wire-onto-safe-ground-in-canada-to-wild-cheers-from-a-crowd-of-thousands-reutersfred-thornhill-canada-tags-society-2E5JCDE.jpg)
Tightrope walker Nik Wallenda walks the high wire from the U.S. side to the Canadian side over the Horseshoe Falls in Niagara Falls, Ontario June 15, 2012. Wallenda, a member of the
![Daredevil Nik Wallenda walks on a tightrope wire outside the set of ABC's Good Morning America program in New York City June 13, 2012. Wallenda, 33, a seventh-generation member of the famed " Daredevil Nik Wallenda walks on a tightrope wire outside the set of ABC's Good Morning America program in New York City June 13, 2012. Wallenda, 33, a seventh-generation member of the famed "](https://l450v.alamy.com/450v/2cxan99/daredevil-nik-wallenda-walks-on-a-tightrope-wire-outside-the-set-of-abcs-good-morning-america-program-in-new-york-city-june-13-2012-wallenda-33-a-seventh-generation-member-of-the-famed-flying-wallendas-family-of-circus-performers-is-set-to-walk-a-2-inch-5-cm-cable-strung-1800-feet-550-meters-across-niagara-falls-gorge-on-june-15-the-first-such-tight-rope-feat-between-the-united-states-and-canada-in-more-than-a-century-reutersmike-segar-united-states-tags-society-entertainment-2cxan99.jpg)
Daredevil Nik Wallenda walks on a tightrope wire outside the set of ABC's Good Morning America program in New York City June 13, 2012. Wallenda, 33, a seventh-generation member of the famed "
![Daredevil Nik Wallenda walks to the site of his wire rigging at Table Rock, adjacent to the brink of the falls in Niagara Falls, Ontario, June 13, 2012. Wallenda, 33, a seventh-generation Daredevil Nik Wallenda walks to the site of his wire rigging at Table Rock, adjacent to the brink of the falls in Niagara Falls, Ontario, June 13, 2012. Wallenda, 33, a seventh-generation](https://c8.alamy.com/comp/2D0BWFH/daredevil-nik-wallenda-walks-to-the-site-of-his-wire-rigging-at-table-rock-adjacent-to-the-brink-of-the-falls-in-niagara-falls-ontario-june-13-2012-wallenda-33-a-seventh-generation-member-of-the-famed-flying-wallendas-family-of-circus-performers-is-set-to-walk-a-2-inch-5-cm-cable-strung-1800-feet-550-meters-across-niagara-falls-gorge-on-june-15-the-first-such-tight-rope-feat-between-the-united-states-and-canada-in-more-than-a-century-reutersdoug-benz-canada-tags-society-2D0BWFH.jpg)