The exhibition located in the original 19th century basement of the Town Hall Annex combines, in a modern way, traditional museum exhibits and multimedia presentations.

This adit is part of a complex of mine workings located just a few meters below the surface. In terms of structure and equipment it mimics other underground mines. It has over 500m of mine workings and is one of the largest of its kind in...

The underground chalk passages in Chelm are the remnants of excavations of writing chalk under the city over a several centuries. They have also served as a shelter for the residents of the city at the time of attacks, war and plunder. Under...

German ground and underground construction of the Second World War of military-strategic purpose. Mining and construction works carried out in 1943-1945 resulted in a huge underground system of corridors, halls and fortifications.

The beginnings of mining in the Snieznik Massif can be traced back to the mid 14th century. Since that time, there have been mining operations conducted periodically in the Klesnica Valley for iron ore, silver, fluorite, copper, uranium and...

The terrain lying to the north from the Swietokrzyskie Mountains is a specific mining basin in which, at the time of the Stone Age and early Bronze Age flint was mined for the manufacture of tools and weapons.

The undergrounds in Sandomierz have a tradition as old as the city. They probably were created in the 14th century to serve as warehouses and merchants' stores.

While waiting for the train at the main railwaystation in Szczecin, there is a chance to see the air-raid shelter from the times of Second World War.

These are overground and underground structures of the strategic military complex “Rzeczka” from World War II, built between 1943 and 1945 as part of the “Olbrzym” Program. The buildings known as the “Walim Dungeons” are an unfinished...

Fort Wladimir (Legionow) was built in the years between 1850 and 1854. It is one, of the outer ring of six forts that makes up the Warsaw Citadel. From the side of the New Town it defended the crossing the River Vistula. Three underground...

Krakow is inseparable from Wawel Hill which has been part of Polish history since the beginnings of its statehood. By walking through the Romanesque Rotunda of St. Mary, the Gothic Cathedral and Renaissance Royal Castle we travel through nearly...

According to the long-term development strategy of the company, the Wieliczka Salt Mine launched its underground rehabilitation and treatment facility as a Private Healthcare Centre.

At the end of the 16th century fortification work around the city was initiated, which resulted in a massive bastion fortress being established. Upon completion of these fortifications in 1618, it was the most modern fortress of the Polish Republic.