The Czech Republic is famous for: Prague, the historic center of Prague is a UNESCO World Heritage Site. Castles, there are several hundreds of castles, chateaus, and mansions in Czechia. Where to go: Praha / Prague. Capital of Czech Republic. Český Krumlov. The most beautiful city in South Bohemia. Kutná Hora. Silver city. Litomyšl. City with a beautiful castle. Telč Town jewel. Nové Město nad Metují Pearl of the Kladsko border. Olomouc. The capital city of Haná region. Mikulov.