The Salt Mines of Krakow, Poland

Though the Wieliczka Salt Mine is visited by millions every year, I likely wouldn’t have known about it if my Polish friends hadn’t taken me to it. Naturally gray in color, the mine is composed of salt rock, some of which has been polished to a clear, glass-like transparency. This glass-like effect encompasses the entire cave, including one area that touts some impressive salt rock chandeliers ... Read Full Article