This incredible attraction beneath the market square of the city is a journey through a medieval market, long forgotten chambers, and even more exciting, holograms and modern audiovisual technology. To gain access to the tunnels, visitors must purchase tickets at the ticket office located on the western side of the Cloth Hall (Sukiennice 21), where you can find an electronic board with the tour times and tickets available. Look for the entrance to the tunnels on the northeastern end of the Cloth Hall.