self-guided visit, click Tickets.
If you want to request a guided visit, please click Guided Tours.
Want to pay upon receipt of an invoice? This is only possible for companies, schools or associations with a business
number. Then sign in on this page.
De facto associationswithout a
business number can only pay online and not upon receipt of an invoice.
if you are a tour operator, register online and please contact us via e-mail.