Episode 1
One of the great advances of the 19th Century, the railways were a tool of empire. How did the Victorians use them to expand their influence?
Episode 2
From the Channel Tunnel to carrying iron ore in the Australian Outback, experts discuss the history and the future of freight trains.
Episode 3
Intended as an efficient, economical way of moving freight, the emergence of express trains revolutionised society with the demand for fast travel.
Episode 4
The world's 10 busiest metro systems carry more than 22 billion passengers every year. How has the train shaped cities - and changed the world?
Episode 5
As weapons and transport, trains transformed the battlefield - from huge railway guns and hospital trains to those taking victims to death camps.
Episode 6
Trains have changed the way people see the world - and each other. What is it that makes them so special?
