The EMD SD70 ACe locomotive leads one of the largest trains in the world, a 1.6-mile-long monster hauling 24,000 tons of iron ore in 240 cars 260 miles through the Labrador wilderness to the Canadian port of Sept-Îles.

The world's greatest engineering marvels are built using innovative science and state-of-the-art technology. This episode is a mashup of S01E10, "Monster Train", and S01E07, "Goliath of the Outback".