Nik Wallenda crosses the Grand Canyon, Candy Crush Saga takes over the world, and can anybody stop Serena Williams? - News in World Records | Guinness World Records
Nik Wallenda Net Worth | Celebrity Net Worth
Nik Wallenda crosses the Grand Canyon on a tightrope with NO safety harness | Daily Mail Online
Discovery Touts 'Wallenda Live,' 'Klondike' Mini in 2013-14 Slate – The Hollywood Reporter
Nik Wallenda Net Worth, Death, Wife, Kids, Sister, Next Walk - Stars Offline
What is the most dangerous stunt ever successfully accomplished? - Quora