The museum exhibition was opened in May 28, 1976.
The House-Museum Stoletovs is located in the Outbuilding next to the large two-story house Stoletovs merchants. The outbuilding is a small one-story wooden house (1845 – 1869 years), typical city building XIX century. The museum exhibition conveys the atmosphere of life and style of the merchant family Stoletovs. Alexander G. was the professor of Moscow University, physicist, known thanks to research of the external photoelectric effect and magnetic properties of iron. Nicholas - the general, who played a major role in the liberation of Bulgaria from Ottoman rule, the national hero of Bulgaria.