Graubünden offers travellers unforgettable alpine journeys aboard two of Switzerland’s most iconic trains – the Bernina Express and the Glacier Express. Starting from Chur, the Bernina Express, part of a UNESCO World Heritage route, travels to Tirano in Italy through dramatic mountain landscapes, lakes, and viaducts. From St. Moritz, the Glacier Express continues to Zermatt across glaciers, gorges, and alpine valleys. Book Graubünden with TBO.