History's Greatest Machines with Dolph Lundgren — Episode 5: Breakthrough Boats

You are watching the episode Breakthrough Boats How do you master a planet covered by 70% water? Build history-changing machines to conquer it. Dolph Lundgren dives into the stealthy German U-boats that nearly won WWII, the ancient canoes that crossed the Pacific, James Cameron's groundbreaking Deepsea Challenger, and the nuclear-powered aircraft carrier that faced down nuclear war. Welcome to Water World.