Operation of a replica of a Celtic fortress. We organize exhibitions or concerts here. We also operate an adventure shooting range.

We provide guided tours of expositions about Czech garnet, where and how it is mined and extracted and what technology is used to process it into jewellery stones. You will learn about the history and production of garnet jewellery and the history of the Granat Turnov cooperative.

Company shop offers a gift program from Detesk production, wine shop quality wines from the regions of Italy and France. The museum provides facilities for the placement of an extensive collection of železnobrodský art glass. The entire collection is the property of DETESK. Art exhibitions are regularly held in the gallery.

The Liberec Epic is a permanent exhibition of large-format paintings by the Procesisté art collective. The ten monumental works were created through collective improvisation with audience participation. The exhibition combines painting, music, and video projections into a unique audiovisual experience.