Krakow, Poland
Today we visited the Wieliczka salt mines (a UNESCO world heritage site) and not only saw how the mine operated in the past but practically a whole city 100 - 175 m below. There were amazing chapels, a cafe, a ballroom, children's play areas, toilets, etc. Lots of salt sculptures as well.
Next we went up to Wawel hill to look at the castle, cathedral and royal palace before walking back down the hill and through the Old Town to the market square (the largest in ...