Wieliczka Salt Mine is an amazing underground vacation which most attract tourist, it located in the town of Wieliczka in southern Poland, lies within the Kraków metropolitan area, and has beeen worked for 900 years.
Wieliczka Salt Mine continuously produced table salt from the 13th century until 2007 as one of the world's oldest operating salt mines.
Wieliczka Salt Mine also believed to be the world's 14th-oldest company still in operation.
