As someone who fell the height of the Eiffel tower in a climbing accident, each one of these images makes my palms sweat, from Bettmans classic views of acrobats on the edges of newly built NY skyscrapers to Li Wei's elaborate illusions of people seemingly in mid air. One however, stands out from all the rest, the legendary stuntman Dar Robinson on the edge of the CN tower. Click through to see a video of the stunt.