television brought us evil ka nooefl, thrilling stadiums with his motorcycle leaps but also showing that he was truly working without a net. some of the most spectacular crashes in megastunt history. wow! it's been a mistake. it looks like he's going into the canyon. >> and though he failed to carry the snake river canyon, it was a blazing moment in pop culture. mtv's jack ass and the go procamera has given rise to a new generation of do it yourself daredevils with new technology, helping to push man's limits beyond any reasonable sanity. but we can't look away. and tonight, was another example. as nic reached the soaking center of the falls. >> you know that mist was thick. it was hard to see at times. >> his wife an eighth generation acrobat, rooting on the man she's known all her life. despite the blinding mist and roaring falls and screaming crowds, and self proclaimed king of the high wire, completed it. >> he entered his 26th man of the walk. >> greets. >> he breaks the tape. nic wallenda, walking his way into history. >> and after clearing customs -- >> let me see your passport, p