12 3/4 inches x 8 3/4 inches Vintage framed print of Glenfinnan Viaduct, Scotland The Jacobite Steam Train. Fans of the Harry Potter film series will immediately recognise the Glenfinnan Viaduct, even if the name doesn’t ring a bell. One of the more famous scenes involving the Glenfinnan Viaduct comes in the second film, Harry Potter and the Chamber of Secrets.