Old Town Square is the historic center of Prague, dominated by the Old Town Hall and its famous Astronomical Clock Tower. Visitors can skip ticket lines by picking up entry nearby and joining a short introduction from a local guide, who explains the history, significance, and legends of the site. The Astronomical Clock, largely original from the 15th century, features moving apostles and intricate displays like planetary motion and the zodiac. An optional audio guide also covers nearby landmarks such as St. Nicholas Church and the Jan Hus Monument. -- Important Information --• The voucher you'll receive after booking is not your ticket. You need to exchange it for the official Astronomical Clock Tower ticket at Get Prague Guide office (MAPS) • If you selected the optional audio guide, you will receive on the day the activity takes place a separate email with the guide login details • A working internet connection is essential for the optional online audio guide to work properly • A 20-minute introduction is guaranteed in English. Other languages are available according to the skills of the guide • Please bring your own earphones• The Astronomical Clock Tower is closed on Monday