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. Go to EventBrite 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!