📜 A labyrinth of grottoes and tunnels beneath Orvieto, Italy, created over 2500 years of continuous digging.🔍 Explore an ancient underground city with Etruscan, Roman, and Medieval history.# Why Go🏛️ Discover a unique subterranean network📜 Learn about millennia of human ingenuity and history🌡️ Experience naturally temperature-controlled spaces🕊️ See ancient pigeon roosts (columbaria)🚶 Easy route, suitable for most visitors# Why Avoid🚶‍♀️ Guided tours only, no self-guided option👥 Tours typically involve groups of about 30 people# Tips🎟️ Purchase tickets at the Tourist Office in Piazza Duomo📞 Booking highly recommended for weekends and high season🗣️ English tours available hourly on quarter (as of June 2018)# Cost💰 Tickets purchased at Tourist Office.# Hours🕒 Daily, tours at 11:00 AM, 12:15 PM, 4:00 PM, 5:15 PM