Krakow isn't an expensive town for tourists, and there are many things that you can see and do for a low price.
View Mirror Maze Labyrinth (Lustrzany Labirynt) Details »
The Mirror Maze Labyrinth (Lustrzany Labirynt) is on Grodzka street (a minute from the main square). You enter by one door, and have to find the exit. It is very confusing (it will appear that something is ahead of you - but it is actually...
Read about exploring the abandoned Liban Quarry (and ex Nazi labour work camp)