Meet the seventh-generation tightrope walker who's taking on Niagara Falls

He has hung by his jaw from a helicopter without a safety net. He holds a Guinness World Record for the longest bicycle ride on a tightrope. And this summer, he plans to make history by walking on a tightrope across the Horseshoe Falls in Niagara Falls, Ont.

“It’s a lifestyle, and if you don’t understand it …” Nik Wallenda says, trailing off. You can almost see the daredevil’s head shake slightly in chagrin over the wire – the telephone kind – from Sarasota, Fla., where he lives in the Circus Capital of the World.        More Read