Julia Bradbury embarks on a series of walks following the dilapidated train tracks, overgrown cuttings and ancient viaducts of Britain's once-great rail empire.
EPISODE 1 - THE PEAK EXPRESS Julia begins her journey by taking a stroll on the popular Monsal Trail in Derbyshire.
EPISODE 2 - DISCOVERING SNOWDONIA Julia takes a walk along the stunning Mawddach estuary in north Wales.
EPISODE 3 - THE BIRTH OF STEAM Crossing Cornwall, Julia follows a railway that has not operated for 140 years.
EPISODE 4 - THE WHISKY TRAIN In Scotland, Julia walks the Speyside Way, which once served a world famous whisky industry.
EPISODE 5 - HARBOURING HISTORY Following the trail of Britain's lost rail empire on a line from Weymouth Julia crosses the unique coastal features of Chesil Beach and Portland.
EPISODE 6 - GATEWAY TO THE HIGHLANDS Julia ends her journey along the trail of Britain's lost rail empire by walking through the territory of Scottish clans and Rob Roy.