The Slovak Technical Museum documents the development of science and technology in Slovakia, the first of its kind in the country, and collects within it more than 16,000 objects, thus providing its visitors with many valuable and interesting exhibitions. In this museum, the development of minerals in the world is presented with a focus on Slovak traditions through the Metal Gallery. The unique interiors inside the museum with mining technology will make you get to know the old workplace of miners, and the telecommunication engineering exhibition shows the development of telegraph technology and the beginning of telephones, The museum also offers other exhibitions related to chemistry, physics and astronomy, where you can see the machines and devices used in these scientific disciplines.