A look into the underground world of Wieliczka Salt Mine, one of the most fascinating places on earth.

Five years ago I travelled around Europe with a couple of my closest friends, hitting up eight different countries in the span of about two weeks. In that time, we unintentionally got lost in nearly every single city, and it made the trip that much more exciting. Five years ago, in my senior year of high school, I travelled around Europe with a couple of my closest friends, hitting up eight different countries in the span of about two weeks. We had gone with EF Tours, focusin