The Grodekov Museum department in Sikachi-Alyan settlement was founded in 2005. Its exposition shows ancient history and ethnography of the Nanai. Archeological section of the exposition displays stone tools of the X-th - XIII-th centuries, ceramic ware of the period since the I-st century B.C to the XIII-th century, metal ware of the XII - XIII-th centuries and the model of Gasyan Neolithic settlement.
Ethnographic section contains materials which characterize features of the Nanai's everyday life, traditional art and religious beliefs. Among unique exhibits there are Nanai bride's wedding clothes, wooden ware of the beginning of the XX-th century, children's clothes made of fish skin and Nanai hunter's accessories