Synopsis
From awesome engineering to extreme environments and thrill-seeking train-surfers and from the high-tech to the home-made, these are the 10 most extreme railways on Earth.
Similar broadcast resources

Episode 3 | The Five Billion Pound Super Sewer
Following workers across London over three years as they race to build an enormous supersewer on time and on budget. In this episode, tunnelling in central London finally begins.

Episode 2 | The Five Billion Pound Super Sewer
Following workers across London as they race to build an enormous supersewer. The first episode follows the creation of the first stretch of the supersewer in east London.