Nik Wallenda To Tightrope 25-Stories Up Over Times Square Sunday

Nik Wallenda, of the famed "Flying Wallendas" family, is looking to cross the tourist hotspot 25 stories above the ground with his sister on Sunday.

Nik and his sister Lijana are going to walk toward each other and meet in the middle -- without a net, but while wearing harnesses. He has crossed the Grand Canyon and Niagara Falls, and now, Times Square is next.

The stunt will air on live TV this weekend, marking the first time that Lijana has been back on the tight rope since she fell and crushed bones in her face two years ago during practice in Sarasota.

The two-hour special will air live at 8 p.m. ET on Sunday, June 23, on ABC. It will be hosted by Michael Strahan and Erin Andrews.

Here's the full boogie.

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