Free entry of Ganzfeld and Skyspace every Sunday

Every Sunday we offer free guided tours of our underground light installations Ganzfeld: Double Vision and Skyspace: The Color Beneath by the world-renowned American artist James Turrell. The tours last 15-20 minutes and start every half hour between 11 AM and 4 PM, no pre booking availabe. If the tours are full you can talk to the guide outside the installation and be put on a list for the next available tour. Please see more information on the blackboard outside the entrance during opening hours.       

  • No prebooking 
  • Please talk to the guide outside the installation for available tours
  • Guided tours approx. every whole and half hour between 11:00 - 16:00
  • You can only enter with our guides
  • Maximum 8 people on each tour
  • Meet up minimum five minutes before the tour begins