Deep beneath Romania lies a 1,000-year-old salt mine that has been transformed into something completely unexpected. Inside this underground world are ferris wheels, boats, mini-golf, and entire rooms ...

Down at the bottom of 380 dizzying steps, the walls are an imperfect gray. They look like rock — but they taste salty. How do visitors know? They’re encouraged to lick them. Just to the southeast of ...

Hur,” “The Wizard of Oz,” TV shows, props and costumes can be found 650 feet underground in a Hutchinson salt mine.

One of the original UNESCO World Heritage Sites, Poland's Wieliczka Salt Mine was one of the world's oldest continuously operating mines until workers ceased production in 2007. Now, Wieliczka is ...