Chrastava, Italy
Hamrštejn (German: Hammerstein) is a castle ruin located on the outskirts city of Liberec, Czech Republic. The stone castle was founded on a rocky outcrop, in a bend of the Lusatian Neisse. It was likely established in the 14th century and was abandoned by the mid-16th century.
Listen to the audio guide for Hamrštejn Free on WIP — starts by itself when you arrive, even with the screen off