Blankenburg (Harz), Italy
The Regenstein Mill (German: Regensteinmühle) was a water-powered corn and oil mill below Regenstein Castle north of the town of Blankenburg (Harz) in the county of Harz (Saxony-Anhalt).
Listen to the audio guide for Regenstein Mill Free on WIP — starts by itself when you arrive, even with the screen off