Modern Marvels - Super Strong Countdown

Seizoen: 19 - Aflevering: 6 / 735 - Eerst uitgezonden: 14 september 2013 - Episode ID: 899936

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.