Mega City Trains
The world's busiest cities are kept running by innovative train systems built with expert engineering and cutting-edge technology.
More from Season 4: Extreme Railroads
Episode 1
Deadliest Trains
The world's toughest trains have conquered deadly jungles, deserts, and mountains, and were made possible by expert engineering and cutting-edge technology.
Episode 2
World's Fastest Trains
The world's fastest trains were built with expert engineering and cutting-edge technology, pushing the speed of railroad travel to new limits.
Episode 4
Trains of the Abyss
The world's most incredible trains cross deadly canyons and chasms of terrifying heights, and were made possible by expert engineering and cutting-edge technology.
Episode 5
Monster Mountain Trains
The world's toughest trains have conquered the deadly heights of our tallest mountains, and were made possible by cutting-edge railroads engineered to make impossible climbs and brave extreme weather.
Episode 6
Trains of Deadly Seas
The world's most incredible trains have conquered dangerous oceans and seas, and were made possible by expert engineering and cutting-edge technology.
