By the end of the Victorian era, Scotland had become a favourite summer holiday destination. But what happened when the chill winds of winter began to blow and the tourists packed their bags and headed for home? In this final episode, Paul Murton travels from the icy shores of the Lake of Menteith, to the summit of Britain's highest and most wintery mountain: Ben Nevis, to discover how Scotland was first promoted as a winter holiday destination - after all, 'it's just like Switzerland' - isn't it?