Know Before You Go: RATES: Full price for the evening guided tour: €28.00; Reduced price (18-25 years old) for the evening guided tour: €26.00; Free (6-18 years old) for the evening guided tour: €2.00 until May 31, 2025; Free (under 6 years old) for the evening guided tour: Free until May 31, 2025; Free (under 18 years old) for the evening guided tour: Free from June 1, 2025; Free by law for the evening guided tour.
Know Before You Go: Arrive at the ticket office 15 minutes early for check-in.
Know Before You Go: Each visitor must present an ID along with their ticket.
Know Before You Go: Wheelchair accessibility is limited.
Know Before You Go: Photography is allowed, but no flash.
Know Before You Go: The tour involves walking through narrow corridors, which may not be suitable for those with claustrophobia.
Know Before You Go: Wear comfortable shoes; the tour involves walking and stairs.