[Beat-O]

This channel is a treasure trove of long videos showing railway journeys in Europe, with an emphasis on the Balkans. https://www.youtube.com/@dulevoz/videos

Some examples:

https://www.youtube.com/watch?v=-sqrL8KZki8 Bijelo Polje - Beograd 7h

https://www.youtube.com/watch?v=rY4ghSBQL4U Ljubljana - Koper (freight) 2:45

https://www.youtube.com/watch?v=C0oevqWL_34 Čapljina - Mostar - Bradina -- The Neretva river canyon and Mountain pass Bradina 2h