Visit the Salt Mine in Wieliczka, a monument that has functioned since the Middle Ages and is a UNESCO World Cultural and Natural Heritage monument. Take a guided tour of this subterranean wonderland. Experience unforgettable impressions when you descend 64 to 327 meters below the surface, and marvel at the numerous chambers, cave, salt drifts, and artistic works in the mine. Explore this fascinating underground city with your expert guide. Those who suffer from allergies and respiratory illnesses may even experience relief because the microclimate in the mine has been known to have healing and soothing properties.