Super Strong Countdown

S17, E6: America has always prided itself on its technological strength--and this countdown embarks on an odyssey featuring the strongest of the strong. Whether they lift, pull, hold or haul, every heavy-duty titan among our top ten choices has the muscle to reshape our world. Our contenders take our cameras on land, sea and air as they push the limits of power and endurance beyond the imaginable. And our choice at number 1 pulses with so much strength it could destroy our other nine finalists with one push of a button.