Special exhibitions are regularly shown at terra mineralia in Freudenstein Castle:
In the lecture hall, the special exhibition changes its focus every year.
In the introduction on the 5th floor, an actual research project of the TU Bergakademie Freiberg will be presented and made accessible to the public.
In the picture gallery in the attic floors, professors and students show impressions of their excursions from studies, teaching and research.
