San Marino is very nice, what impressed me the most was that they can happily sell guns. Probably you still need your gun license, but it's striking to see all those gun stores (usually open late) in the centre of the old town. They even sell medieval shit like swords, armors, arrows, crossbows, etc. There is also a museum of medieval torture, I visited it when I was just a kid and I can still remember the instruments, the thorny chairs, the cages, the skeletons, the prison cell... Beyond that it's really cool to take a walk on the walls' causeways, you can enjoy a vast panoramic view -- till the sea, if the sky is clear, and from certain spots it's almost a 360 degree view. You can also walk down to the bush and it's lovely, especially when it gets dark.
I want to visit Romania because I'm interested in its ancient Roman origins. I'd like to know to what extent they look like us, both culturally and humanly. I'm also drawn to their fortified churches and wooden churches (for example the Barsana complex). As for Ukraine, I'd love to see some old, decadent soviet towns. I know Russia has probably more, but if I had to go to Russia for that I'd rather travel in Siberia, which is not in Europe, so that's why I didn't color it red.