📜 Secret cellar documenting Zurich's early history.
🔍 Houses remnants from Gallo-Roman and Carolingian periods.

Why Go

🏛️ Explore ancient fortifications and royal palace remains
🔑 Unlock other historical landmarks with the same key

Why Avoid

⚠️ Requires key from Stadthaus security counter

Tips

Bring valid ID to request key at Stadthaus security counter 'S'.
Key available weekdays 8 a.m. to 6 p.m.

Hours

🕒 Key collection: Weekdays 8 a.m. to 6 p.m.