Nik Wallenda Traverses Niagara Falls
"It's all about the concentration...' he said.
Niagara Falls High Wire Walk: Nik Wallenda Achieves Lifelong Dream
Tens of thousands of people gathered at the falls June 15, 2012 and millions more were believed to be watching on television as Wallenda crossed some 200 feet in the air on a two-inch-wide wire strung over the raging waters of Horseshoe Falls, the largest of the three falls that make up Niagara Falls. (John Moore/Getty Images)
