Discover another side to Prague's Old Town by going underground. Explore the deep dungeons under Old Town Square and underground chambers of a Romanesque palace where the future King of Czech lands used to reside. Learn more about the sites you visit such as the iconic Charles Bridge surrounded by legends and numerological mysteries and the world-unique “Orloj” Astronomical Clock with its impressive mechanisms.  From Prague’s most significant public execution and twisted tale of The Clock master creator’s fate, through emperor Charles IV.’s “golden” era, to the locals’ fight for freedom and democracy over the Second World War — you will learn a great deal about the city’s major historical events, important figures, and life in dark medieval times.