Great British Railway Journeys

Roybridge to Glenfinnan (2x24)

Air date: Feb 03, 2011

Michael investigates one of the great geological mysteries of the 19th Century, the parallel roads of Glenroy. Plus, he finds out how the Victorians put a weather observatory on the top of Ben Nevis and takes a steam train across one of the most spectacular viaducts in Britain at Glenfinnan