Overview:Michael Portillo takes to the tracks with his copy of Bradshaw's Victorian railway guidebook. He travels the length and breadth of the British Isles to see what of Bradshaw's world remains. In this programme, Michael explores the scenery of rural and coastal Scotland, travelling from Stirling to the beauty of the western lochs, ending his journey in John O'Groats. Michael rides one of Scotland's most picturesque railways, visits Scotland's smallest station and learns what went into a Victorian-style spa break.