Rob Bell explores more abandoned rail routes, beginning with one that cut an outrageous path through the dramatic hills and gorges of the Peak District - part of the 1860s express route between London and Manchester. From Matlock to the spa town splendour of Buxton, Rob unearths a tale of Victorian ambition, as he travels along a route filled with great engineering, which is now a beloved part of the Peak District National Park.

Rob Bell travels to Bangor in north Wales, where he explores a lost line that was built in 1801 to transport Welsh slate from the local quarry, which once was the largest in the world, and now provides the backdrop for the world's fastest zip line. He also follows the Victorian railway inland to Llanberis, where tourists still flock to ride a special train to the summit of Snowdon, and discovers why the heirs to the throne have been styled 'Prince of Wales' for seven centuries.