Upper Zemplin (Horný Zemplín), museums and technical monuments

The manor house, the dominant feature of the town of Humenné, was built on the site of a medieval water castle, a simple tower-shaped building surrounded by a moat. It is one of the most important cultural and historical monuments in the area. The manor house was built by the Drugeth family between 1619 and 1641 on the site of a burnt-out manor house. The manor has a square floor plan with a central courtyard. Its safety was to be guaranteed by square towers in the corners. The tower with the entrance gate and drawbridge over the moat opens in the middle of the façade. The manor house in...

Slovak opal mines can be found in eastern Slovakia on the territory of Slanské vrchy. They are situated 20 km southeast of Prešov, between the villages of Červenica and Zlatá Baňa. Opal mines have been known around the world since the 16th century. The largest opal called Harlequin was found in 1775 in a stream in the village of Červenica. Its weight is almost 600 grams. It is currently housed in the Natural History Museum in Vienna. The golden age of opal mines near the village of Červenica today is reminiscent of the reconstructed entrance to the tunnel. Slovak opal is stored in...