Nik Wallenda Successful in Chicago Tight-rope Walk - November 2, 2014

Nik Wallenda, blindfolded, walks across the Chicago skyline for Discovery Channel's Skyscraper Live with Nik Wallenda, Nov. 2, 2014.

Nik Wallenda walks along a tightrope between two skyscrapers suspended 500 feet (152.4 meters) above the Chicago River in Chicago, Illinois, Nov. 2, 2014.

Nik Wallenda walks over the Chicago River uphill nearly 8 stories for Discovery Channel's Skyscraper Live with Nik Wallenda, Nov. 2, 2014.

Nik Wallenda walks over the Chicago River uphill nearly eight stories for Discovery Channel's Skyscraper Live with Nik Wallenda, Nov. 2, 2014.

A crowd waits to watch Nik Wallenda begin his walk on a tightrope in Chicago, Nov. 2, 2014.

A large crowd watches Nik Wallenda walk a tightrope uphill at a 19-degree angle from the Marina City west tower across the Chicago River to the top of the Leo Burnett Building, in Chicago, Nov. 2, 2014.

Daredevil Nik Wallenda steps out on the wire backwards for a live television show before his tightrope walk uphill at a 19-degree angle, in Chicago, Nov. 2, 2014.