Wieliczka Salt Mine
Under the small town of Wieliczka, part of the Krakow metropolitan area, lies 287 kilometers of underground passages. It's the Wieliczka salt mine[a], a salt mine that was in continuous operation from the 13th century until 2007.
Under the small town of Wieliczka, part of the Krakow metropolitan area, lies 287 kilometers of underground passages. It's the Wieliczka salt mine[a], a salt mine that was in continuous operation from the 13th century until 2007.
