Archaeological excavations in the area have uncovered a castle, fortress walls, two underground water supply passages, 16 churches, public and administrative buildings, many homes and other interesting and significant finds – several coin treasures, jewelry, monuments, pottery, household items, handicraft tools. , armaments, etc. Visiting the site can only be done by car or on foot. A walk through the medieval ruins can be combined with sightseeing of the natural landmarks in the nature park, many of which have eco-routes.