I don't think I can like countries per se, but i like cities.
From all that I have visited, Brussels was the most fun, most cosmopolitan, most like home (not my literal home, but my mindset of home). Florence was so beautiful tho, Italian patrimony is also like home...
The most weird experience I must say it was murica! Not weird bad...I mean, we watch so many movies, series and whatnot that we are already prepared for what America can be...and tbh, anyone, not just americans, think oh it's not like in the movies, but the weird thing is that it is, so what I think is weird is the little things like things related to driving, stranger interaction, interaction with service people. All this culture, it's so foreign, so different from us, society behaves differently, people react differently, there's this sense of following rules (not just legal ones) that is completely opposite to what I'm used to - Like why the hell did you ask for my ID when I'm buying alcohol, ffs I had a fricking beard, I look 30 when I'm actually younger - or how everything's for sale, there's university posters everywhere...there's companies advertising jobs on tv, it's really weird.
If I have to pick a foreign country that I have visited I'll have to ask why. To live, it's most realistic to go to England, I'm comfortable with the language, I've many friends there, I've got family. If I had a high paying job, I'd rather Belgium. If I could work with culture/tourism or even Design, Italy would be a really cool place to be (besides my country of course). Now that I think about, I'd like to live wherever i could work the most in Design: Germany, Sweden, England, France, Japan - maybe in that order.