People have always wanted to liberate themselves from the limits of their senses and freely explore their surroundings. This aspiration led to the birth of a new science that made use of the refraction of light: the development of optics and precision-mechanics has brought revolutionary results to all fields of natural science.

An exhibition of the costumes worn by the peoples and nationalities of the Carpathian Basin, where more than 300 original outfits are on display.

The unique minerals from the pits of underground thermal water mines tell stories that are millions of years old.