Visit us What's on When are we open ? We open only for Events, Open Days and pre-booked Group Tours. Go to What's On to find our upcoming Open Days and Events. To book tickets online for our events visit our Eventbrite page. Go to our Group Visits page for pre-booked Group Tours of 20 +. and begin discussing with us a tour tailored to your group's interests and a suitable date. Don't miss your chance to come and hear the stories and see the sights, and get on a Land Train tour to view this amazing site with a knowledgeable guide. Get in touch if you have any questions!