The Royal Exhibition Building is a historic landmark located in Carlton Gardens, Melbourne, Australia. It was built in 1879 and was the site of the first official opening of the Parliament of Australia in 1901. The building is one of the world's oldest remaining exhibition pavilions and is a UNESCO World Heritage Site.
The building was designed by architect Joseph Reed in the Renaissance Revival style, and features a large dome, galleries, and a central hall with a glass roof. It has hosted a number of important events over the years, including the Melbourne International Exhibition in 1880–81, the Centennial International Exhibition in 1888, and the Melbourne International Centennial Exhibition in 1889.