This unique new 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, expansive seas, and complex cities.

With exclusive access and and expert analysis, Impossible Railways captures the design breakthroughs and heralds the pioneers who have embraced nature and physical challenges, creating a truly remarkable global railway network.

From inverted monorails, the crossrail project in London, and a viaduct in New Zealand, this series is equally about the railroad networks and engineering feats as it is the trains.