In the Scottish Highlands, the Jacobite Railway - also known as the real Hogwarts Express - is regularly voted the best rail journey in the world.
The Ffestiniog Railway carves a path through Eryri, changing Welsh history.
From Whitby to Pickering, aerial views reveal rail's impact on the North Yorkshire Moors.
On the West Somerset Railway, glorious views and the story of Isambard Kingdom Brunel.