The Prague Astronomical Clock (also known as the Prague Orloj) is one of the most famous sites in Prague. The clock was installed in 1410, so it’s the oldest clock in the world still working today, as well as being both beautiful and complicated! The clock shows the time, the date, astronomical cycles, and the position of celestial bodies, so it’s tricky to read without help. It’s also the center of several myths and legends set in the Czech capital, take a tour with an expert guide to learn more!