The Wieliczka Salt Mine is one of the most fascinating attractions in Poland. This historic UNESCO World Heritage Site takes you 135 meters below the earth’s surface to discover the historic and ...

Wieliczka salt mine — a UNESCO world heritage site — has chapels, salt carvings, and underground lakes. ... The tourist route takes you down more than 800 steps.

Step Inside This Underground Cathedral, ... This underground holy space began its life as something very different: a salt mine, the construction of which initially began in 1815.