The exposition is dedicated to the display in the early XVIII century. The exposition is related to the Petrovsky arms factory, to the history of the first Russian resort – Marcial Waters, as well as to the Vygo-Leksinsky Old Believer community. Unique exhibits are presented: a cast-iron bilo (1706), a commemorative plaque that is devoted to the construction of a palace for Peter the Great at the resort (1718), a folk painting "The Family tree of A.Denisov and S. Denisov".
