Rob explores the lost railways of Northern Ireland - and there are many to choose from. Northern Island is only a little larger than the counties of Yorkshire.

Rob checks out a railway line in rural Kent that became extremely prominent during the world wars, The Elham Valley Railway, which once connected Folkestone to Canterbury.

Rob explores the copper mining that once dominated Cornwall, following the first two railways as he discovers how the deep mines prompted the invention of the steam engine.

Rob is in Yorkshire on the trail of a man once known as the ‘Railway King’. George Hudson rose from farming origins to become Lord Mayor of York.