Melbourne Open House is an annual event that allows the public to explore some of the city's most iconic and architecturally significant buildings. Typically held over a weekend, it features a variety of venues, including historic sites, modern structures, and private residences, all free of charge. The event aims to promote awareness and appreciation of Melbourne's architectural heritage and urban design. Guided tours, talks, and exhibitions are often part of the program, providing visitors with insights into the history and significance of each location.