On Sunday, 30 August and 27 September, admission to selected guided tours at this site will be free of charge. Please obtain your free ticket in advance through the online booking system. Capacity for each guided tour is limited. On these special days, the following tours will be available: The main route (basic tour) and Private rooms.
On-line tickets
Buy your tickets on-line in advance from home.
eTickets can be purchased up to 48 hours before the tour.
Choose a date and tour from the list. Your purchase will be completed with your credit card
You can buy eTickets on several times. Other times in ticket office only.
Please print your eTicket and present it to the entry guide. Please observe our terms and conditions.
Quick contact
Are you lost? Don't worry, give us a call and we will help you.