The huge hilltop complex known collectively as Prague Castle (Prazský hrad), on Hradcanské námestí, encompasses dozens of houses, towers, churches, courtyards, and monuments. Charles Bridge (Karluv most), Prague's most celebrated statue-studded structure, links Staré Mesto and Malá Strana. For most of its 600 years, the 510m-long (1,673-ft.) spanning the Vltava River.