Step back in time and explore one of ancient Greece’s greatest technological marvels — the Antikythera Mechanism, often called the world’s first computer. In this unique hands-on workshop, you’ll learn about this 2,000-year-old astronomical device and create your own simplified working model to take home. After the workshop, continue your experience with a relaxing stroll through the beautiful National Garden of Athens, a true green oasis in the heart of the city. Finally, witness the iconic changing of the guards (Evzones) in front of the Hellenic Parliament at Syntagma Square — a powerful moment of Greek tradition and pride. This complete cultural experience offers the perfect mix of creativity, history, and local color, making it ideal for families, curious travelers, and anyone looking for a unique day in Athens.