It is located in a building close to the Museum. Besides other things, the displayed exhibits include an 8-metre-long araucarite trunk. Its geological age is estimated at 250 million years.

Expositions:
1. The exposition of the geological development - focusing mainly on Palaeozoic vegetation (araucarites, calamites, etc.)
2. Treasure room - collection of precious stones (especially agates)
3. Spiritism in Podkrkonoší - focusing especially on paintings by mediums. The latter exposition is unique in Europe.