Ten Corinthian columns are the most striking features of this classical parliament building. It was completed in two stages 50 years apart: the west wing in 1889 and the east wing in 1939. Alongside is Old Parliament House, which dates from 1843. There's a free guided tour of both houses weekdays at 10 and 2 during non-sitting days, and on Monday and Friday only when parliament is in session. The viewing gallery is open to the public when parliament is sitting.