How would you like to close your eyes in Vienna and wake up in Venice? Or doze off to the bustle of Vancouver and awaken in the peaceful mountains of Jasper? We’re talking about one of the world’s most established (and often overlooked) modes of transport: the train. We’ve scoured the globe to find the most spectacular overnight routes, offering climate- and wallet-friendly travel between some of the world’s top destinations. (All ticket prices are correct at the time of writing.)