Brennan & Geraghty's Store Museum, owned by the National Trust, is a museum about itself, interpreting its own place within the community of Maryborough from 1871 to 1972. The museum exhibits its own collection of over 100,000 items, including business letters and trading records from the 1870s, curry powder from the 1890s, soap from the 1920s, and advertising material and other commercial items – all of which are provenanced to the store.