Civic Social Club. 81 Kościuszki Street. Since 1913 the building has been the seat of social, cultural and educational organizations.The building housed the editorial office of “TygodnikSuwalski“, the “Lutnia” choir and, during World War II, the German House.Since 1956 the building serves as the seat of the District Museum. Eclectic style with elements of modernism, renaissance and baroque.