The urban infrastructure of the city has always spoken to the world's daredevils. Superheros have been using gigantic buildings, grimy sewers, and tight alleyways as their de facto playgrounds for decades. A generation of stunt-artists (some actually trained in the art of Parkhour) have followed suit. Below, photos of bold moves in cities around the world.
Tightrope walker Nik Wallenda pumps his fist into the air as he nears the end of his high wire walk over the California Avenue beach in Atlantic City, New Jersey. Wallenda's 1500-foot walk was watched by thousands of visitors to the famed boardwalk. (Tom Mihalek/Reuters)