Walter Sully Emporium, Art museum and commercial building in Broken Hill, Australia

The Walter Sully Emporium is a two-storey stone building at 404–408 Argent Street, Broken Hill, now housing the Broken Hill Regional Art Gallery. Its 1885 section has a shallow barrel roof on steel bow trusses; the c.1900 extension adds two shops with a cellar. The facade was rendered and a verandah added between 1939 and 1957, with pilasters carrying quasi-Corinthian capitals.

Walter Sully moved from Silverton to Broken Hill in 1885 and built a two-storey stone shop with an arched galvanised iron roof. It began serving as Broken Hill's first post office on 1 November 1886. An adjoining office and grocery store were added around 1900, and Walter Sully & Co. Pty Ltd was formed on 29 November 1907. The firm supplied explosives, candles, timber, machinery and liquor to the mineral field until it closed in 1985.

The building now serves as home to the Broken Hill Regional Art Gallery, showcasing works by local and Australian artists. The exhibitions reflect the creative energy of the city and its mining community.

The building is easy to locate on Argent Street, Broken Hill's main thoroughfare, and is accessible to visitors during regular opening hours. Guided tours of the current exhibitions are available, allowing visitors to explore both the gallery spaces and the heritage features of the restored structure.

The basement beneath the gallery contains original elements from when the building operated as a mining equipment and hardware supplier. These underground spaces reveal physical traces of the site's earlier commercial purpose.