Whilst I have used stations in the past, I shall only be counting from this year when I've taken up rail enthusiasm as a hobby.
United Kindom: (Caught or exited train at)
#1. Wellingborough
#2. Kettering
#3. St. Pancras
#4. Northampton
#5. Bletchley
#6. Bedford
#7. Herne Hill
#8. London Victoria
#9. Brighton
#10. Blackfriars
#11. Birmingham New Street.
#12. Luton
#13. London Bridge
#14. Charring Cross
#15. Shepherds Bush
#16. West Brompton
#17. Jewellery Quarter
#18. Birmingham Moor Street.
#19. Rugby
#20. Market Harborough
Heritage/Preserved:
#1. Rushden
#2. Pitsford and Brampton
#3. Leicester North
#4. Quorn and Woodhouse
#5. Loughborough
London Underground:
#1. Kings X St Pancras
#2. Baker Street
#3. Green Park
#4. Westminster
#5. Tower Hill
#6. Monument
#.7 Victoria
#8. Blackfriars
#9. Oxford Circus
#10. West Brompton.
Lithuania:
#1. Vilnius
#2. Klaipėda
Germany:
#1. Frankfurt Hbf
#2. Hanau Hbf
#3. Frankfurt Ost
#4. Rüsselsheim
#5. Wiesbaden
#6. Aschaffenburg
#7. Frankfurt Süd