You can take a trip on the Harry Potter train over the Glenfinnan Viaduct to create your journey to Hogwarts but book in advance. The steam train tickets sell out quickly. https://www.tripadvisor.co.uk/Attraction_Review-g1029082-d2643233-Reviews-Glenfinnan_Viaduct-Glenfinnan_Lochaber_Scottish_Highlands_Scotland.html