The palace of Dietl in Sosnowiec is one of the most beautiful residential buildings not only in Zagłębie Dąbrowskie, but also in whole Silesia. The palace was erected by Heinrich Dietl at the end of the nineteenth century. Heinrich Dietl was a German entrepreneur, who launched in Sosnowiec the first worsted spinning mill in the Polish Kingdom. The palace was built in the neo-Baroque style. It impresses with its magnificent interior design.