15/06/2012 Wallenda makes the first successful tightrope walk over Niagara Falls
Nik Wallenda Honors His Great-Grandfather | Skyscraper Live
Karl Wallenda - Grand Father of Stuntman Nik Wallenda completes tightrope walk across Niagara Falls
Nik Wallenda Crosses 1,500-Foot Grand Canyon Gorge on Tightrope
Nik Wallenda Conquers Chicago Skyline
Nik Wallenda walks over Niagara Falls 2012
Nikolas Wallenda is an American acrobat, aerialist, daredevil, high wire artist, and author. He is known for his high-wire performances without a safety net. He holds nine Guinness World Records for various acrobatic feats, but is best known as the first person to walk a tightrope stretched directly over Niagara Falls.