Impossible Railways

We take a look at the most incredible metropolitan railways, from an inverted monorail in Wuppertal German to London's ground-breaking Crossrail project and a freight system that supplies New York.

We explore the wilderness lines that have pushed the frontiers of human endeavour into previously unknown territories, from a train that travels through a mountain to a jungle railway.

Railways encounter a multitude of challenges such as crossing valleys, waterways and canyons; we investigate how the most incredible bridges from around the world help to solve a series of…

Mountains are one of the greatest challenges a railway faces; we investigate daring railway engineering, from tunnelling through the Swiss Alps to a 19th-century engineering masterpiece in Australia.

Railways have overcome almost all nature can throw at them, from crossing the cyclone-prone Indian Ocean and travelling through an earthquake zone to carving through the cliffs of the Italian…

We investigate incredible engineering breakthroughs; from mighty-powered steam trains and super-sonic rocket sleds to trains that seemingly fly above their guideways.