An already death-defying stunt just got a little more dangerous.
Nik Wallenda will not only walk a tightrope more than 50 stories high above Chicago next month, he'll do part of it blindfolded.
The daredevil has two stunts planned.
In the first one, he'll walk two blocks over the Chicago River from one of the Marina City Towers to the Leo Burnett building.
Then, Wallenda will put on the blindfold as he goes from the Marina City's West to East tower.
It will air live on November 2 on Discovery Channel.