This cave complex is situated on the right bank of the river Ai on the mountain slopes. This amazing complex includes 43 caves of different shapes and sizes - among them caves, grottos, cliff awnings, karst arcs and bridges, as well as many other types. The largest being the «Tanchevalnyi» grotto (Dancing grotto) and the «Caminnaya», «Vestibule» and «Scvoznaya» («Through passage») caves. The complex was discovered in August 1995 by two archaeologists (S. Baranov and V. Yurin). A joint archaeological expedition has started work on this historic site, and has already made a number of sensational discoveries. Signs of life of primitive man and remains of extinct animals have been found in 15 of the caves. During the archaeological excavations, cultural layers from different pre-historic periods were found, ranging from the early Palaeolithic, Mesolithic, Neolithic and Bronze Age to the early Iron Age and the Middle Ages. Tools, household items, weapons and jewellery, pottery fragments and thousands of bones from different animals, including mammoths, were found. In the innermost grotto of the Sisoev cave, the scientists discovered an underground temple, with remnants of cave bears, and a shrine where early inhabitants of the Urals worshiped unknown gods. You can see all these discoveries, watch the archaeologists at work, and even take part in the excavations if you wish.