Impossible Railways

This six-episode science and history series showcases some of the world's most extraordinary railway engineering achievements. Since their meteoric rise in the 19th century, railways have been at the forefront of modern engineering and transport. They have conquered dizzying altitudes, wilderness, seas and cities. With stunning footage and expert analysis, this series captures the design breakthroughs and heralds the pioneers who created a remarkable global network.


Air Date: August 28, 2018 - 47:44
From crossing the cyclone-prone Indian Ocean to travelling under the Bosphorus Strait, railways have had to overcome challenges presented by water.
Air Date: August 21, 2018 - 47:46
Mountains are one of the greatest challenges a railway can face. This episode investigates the solutions that have made these tough climbs possible.
Air Date: August 14, 2018 - 47:35
Since the earliest days of the railways, the demand has always been for faster trains.
Air Date: August 07, 2018 - 47:32
From Scotland's Forth Bridge to a vertigo-inducing viaduct in rural New Zealand, discover how the world's most innovative rail bridges were built.
Air Date: July 31, 2018 - 48:15
From a canyon-spanning bridge in San Diego to a track ascending a Swiss peak, railway engineers have conquered jungles, deserts and mountains.
Air Date: July 24, 2018 - 48:27
From an inverted monorail in Germany to London's Crossrail project, discover how ingenious metropolitan railway engineering helps keep cities running.