I collect my train tickets (only one per route - so I have done Tonbridge - Paddock Wood hundreds of times but I only save one ticket of that journey. Only exception is if something life changing happened on a repeat journey). Probably have 100-200 of them. My favourite ones are really random provincial stations - Snodland, Penmere, Chippenham.
I also collect stylin’ headwear, of course. I’m more of an accumulator than a collector of most things (all hard media, clothes, accessories…)