The Oldtown square is a beautiful place to visit. You get to see so many architectural and historical sites at one place as possible. The famous clock tower "Orloj" designed and constructed by mister Hanuš is also located here. It offers a walk to the top of the tower and a beautiful view of the thousands of Prague's rooftops. The town square is a place with beautiful buildings, a spectacular astronomical tower which offers a great view of Prague from the top, and various entertainment activities going on throughout the day. One advice: Go early in the morning if you want to enjoy the square without getting lost in the crowd.