The problem of the Tunguska meteorite is one of the exciting scientific mysteries, the controversy around which does not stop for many years. In the summer of 1959, an expedition of scientists and students from a number of Siberian cities visited the area of the meteorite fall, which became the purpose of testing the assumption about the nuclear nature of the Tunguska explosion. Description of the work of the expedition and devoted to this book. It popularly describes the history of the study of the "Tunguska diva", provides a critical analysis of existing theories and briefly highlights the results of their own observations. A significant part of the book consists of travel essays that bring the reader closer to .. the nature of one of the picturesque edges of our Motherland .