So it is not immediately clear from the site but the rail trips in question are in Germany. You can search for a train here: https://int.bahn.de/en/ https://in

So it is not immediately clear from the site but the rail trips in question are in Germany. You can search for a train here: https://int.bahn.de/en/ https://int.bahn.de/en/ and start typing "ICE 880" in the field, etc. I only tried DB ids but other companies might work, too. I really like the idea.