Construction of underground tunnels begun in the 13th century by the inhabitants of the city who bored out the cellars under their buildings both for economic and military purposes.

At the end of 1939, the Germans began preparations to build command posts in the vicinity of Spala and Tomaszow Mazowiecki, in the central section of the front due to the already predicted war with the Soviet Union. These structures were given the...

The site, within the historic old town of Jaroslaw, is formed from a complex of basements and merchants’ warehouses from the 16th and 17th centuries. The trail is located beneath the 17th century Rydzik Townhouse at the corner of Market Square...

The “Queen Luiza" Mine is one of the oldest in Upper Silesia. Its origins began in 1791, when it was one of the largest and most modern coal mines in Europe.

Rzeszow, endowed with civic rights under Magdeburg Law in 1354, received a number of privileges, which enabled its development and led to a dynamic expansion in trade. For many years the trade fairs was one of the major attractions of the city....

Gold mining in the area around Zlotoryja dates back to the second half of the 12th century. The largest gold mining boom was in the 12th and 13th centuries. The gold was extracted from the gold-bearing sands or by digging tunnels following the...

Holy Hill is a place of religious worship since the fourteenth century. Today the beautiful baroque church is a sanctuary. The Basilica was built between 1675-1698.

A prehistoric hunter’s camp of mammoths, rhinoceroses and other extinct animals from the Ice Age.

The cave on Bisnik Hill has been famous for a long time. The local people believed that it contained hidden treasures which were the reason for digging in the sediments. The last of the local treasure hunters were encountered here in 1965, still...

A cave of karst origin, gouged from limestone in the Late Jurassic Period. It consists of one large chamber which turns into a tapering, dead-end passageway. Well defined eddy current erosions can be seen in the ceiling of the cave.

The Crypt of Merit at the Church of St. Wojciech in Poznan was founded in 1923 on the initiative of the then parish priest, Fr. Boguslaw Koscielski, like Skalka in Krakow. Then the remains of distinguished Poles began to be brought to the...

Skalka, next to Wawel is the second most important place in the history and culture of Poland. The baroque church dedicated to St Michael Archangel and St Stanislaw stands on Mount Skalka along with the monastery buildings of the Order of...

By the end of the 13th century, on Silesian lands there were 20 monasteries of the Franciscan Order, founded by local princes, who often chose the Franciscan churches to their ancestral mausoleums. After Wroclaw and Krakow, Opole was another...

Im geheimnisumwitterten Bergwerk wurden früher Gold und Arsen gefördert. Heute laden hier mehrere unterirdische Touristenrouten zum Besuch ein.

Polens größtes Salzbergwerk wird seit über 50 Jahren ausgebeutet. Das weiße Gold wird hier schonend ohne Zuhilfenahme chemischer Mittel gefördert.