I am at the station of the Rhaetian Railway in Bergün. It was a wonderful hike over the Ducanfurgga Pass. For more information about the hike see in German  http://www.hikr.org/tour/post4111.html

There is a train museum of the Rhaetian Railway here. For more information in German see  http://www.bahnmuseum-albula.ch/

For more information about the Rhaetian Railway see  https://www.rhb.ch/en/home

More information for Bergün  https://en.wikipedia.orgg/wiki/Berg%C3%BCn