Go see Prague, Cesky Krumlov and Karlovy Vary. I’ve lived in Prague for 9 months, I’ve been 4 times to Cesky Krumlov and I would go there again. As for beers, try Staropramen and Pilsner Urquell. In Cesky Krumlov, try the wonderful Eggenberg beer. Don’t forget to try the wummy smazeny syr as well.