It's a very niche interest, but I've heard it is popular in America.
For example, the Delphi murders in Indiana has been speculated to be the work of a railway enthusiast, because It occurred On the Monon high bridge, which has historical significance to railway enthusiasts, and the killer was seen and even videotaped (I'm serious) yet they can't identify him. So on reddit they are saying it's a rail enthusiast who blew in!
Might be worth having a squiz
@Chris Harding, maybe you know the guy. There's a 250k US reward so cash in !
I chill in Switzerland a few times a year hence why I asked. Even though I'm gravitating to the Salzburg area of Austria for the same Swiss vibe since it's cheaper, why I asked if u were Swiss