Nik Wallenda practicing in Niagara Falls, New York for June walk, photo bobc1369

Nik Wallenda practicing in Niagara Falls, New York for June walk, photo bobc1369

Nik Wallenda practicing for June 15 attempt to cross the Falls, photo bobc1369

Nik Wallenda practicing in Niagara Falls, New York for June 15, 2012 attempt to cross Niagara Falls. Photo by bobc1369/flickr.

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The holidays have come and gone, but many of us are left with gifts and gift cards that we really can’t use. Perhaps you...