Summer is here! Take part in the Summer Scavenger-Hunt, a fun activity for the whole family. Download the free "Actionbound" app from the App Store and scan our QR-code below to begin the digital scavenger-hunt.

Let the fun begin! The scavenger-hunt accompanies you through the Crystal Worlds and makes your visit a very special experience.

You are also welcome to use our WLAN "crystalworlds".