10+ Things to do in Prague’s Old Town. Prague (Czechia or formerly, Czech Republic) is a magical city. And, the search for that magic starts in Old Town, the medieval settlement that used to be surrounded by a moat and a wall. My travel guide is full of ideas on what to see in this part of town. From the Charles Bridge to the Baroque library at the Klementinum, I have all your bases covered! Travel in Europe.