Ancient Polish Salt Mine Contains A Chapel, An Underground Lake, And Chandeliers Made Of Salt

Its Origins Trace Back To Neolithic Times

passageway down into mines
Photo Credit: Federico Meneghetti / REDA&CO / Universal Images Group via Getty Images
Photo Credit: Federico Meneghetti / REDA&CO / Universal Images Group via Getty Images

Since neolithic times, sodium chloride—or as we know it, table salt—has been produced at the location from the upwelling brine. In the late 13th to the early 14th century, the Saltworks Castle was built. Wieliczka is now home to the Kraków Saltworks Museum.