Season 2
Episodes
1. Extreme Wilderness
2019-02-12
The wilderness lines that have pushed the frontiers of human endeavour into previously unknown territories, solving a set of complex problems along the way.
2. Building Bridges
2019-02-19
Since their rise in the 19th Century, railways have been at the forefront of modern engineering and transport, conquering dizzying altitudes, wilderness, seas and cities.
3. Into the Blue
2019-02-26
Engineering that has overcome some of the greatest mountain ranges to create innovative railways, including a tunnel in the Swiss Alps and a zig-zag railway in Ecuador.
4. City Limits
2019-03-05
How some of our greatest railways have challenged engineering's finest minds in their efforts to conquer the planet's waterways, including a tunnel beneath the English Channel.
5. Full Throttle
2019-03-12
A look at the planet's most incredible metropolitan railways, and how they help people solve distinctly urban problems. Including a project to upgrade New York's transit system.
6. The Sky's the Limit
2019-03-19
The engineering breakthroughs that allow trains to go faster than ever thought possible, including technology that allows trains to navigate the winding mountains of Spain at speed.