Paul Merton takes charge of some iconic locomotives. On the Isle of Wight, Paul drives a heritage steam train and finds out how the island helped with D-Day.

In Switzerland, Paul travels on the stunning Glacier Express and drives a funicular train to the Reichenbach Falls, where Sherlock Holmes met his fictional demise.

On the French Riviera, Paul takes control of a steam engine on the stunning Pine Cone line

Paul steams through north England, enjoys a royal ride and drives a 50-tonne wartime loco.

Paul rides a signal-free line and visits the birthplace of Thomas the Tank Engine in Wales.

Paul rides a ‘car on rails’ made from a Trabant and drives his biggest steam train yet!