This book is dedicated to the old Ural. Her topic is unexpected. It arose at the crossroads of several sciences - history, archeology, architecture, geophysics and geology. Dungeons... From this word blows mystery, riddles. Indeed, the book that you have to read tells a lot of interesting things about the basements of the famous Nevyansk Tower, the secret passages of the Khariton house - today's Palace of Pioneers in Sverdlovsk.