The Jacobite steam train from Fort William to Mallaig in the Highlands of Scotland passes over the Glenfinnan Viaduct. Railway staff are now having to answer questions from tourists about the Harry potter viaduct since it featured in the Harry Potter films The Chamber of Secrets and The Prisoner of Azkaban. 10x8 Photograph (25x20cm) GLENFINNAN VIADUCT, SCOTLAND, BRITAIN - 10 AUG 2005 by Rex Features.