The Sydney Opera house:
- Was designed by Danish architect Jorn Utzon
- Was opened by Queen Elizabeth II on 20 October 1973
- Presented, as its first performance, The Australian Opera's production of War and Peace by Prokofiev
- Cost $AU 102,000,000 to build
- Conducts 3000 events each year
- Provides guided tours to 200,000 people each year
- Has an annual audience of 2 million for its performances
- Includes 1000 rooms
- Is 185 metres long and 120 metres wide
- Has 2194 pre-cast concrete sections as its roof
- Has roof sections weighing up to 15 tons
- Has roof sections held together by 350 km of tensioned steel cable
- Has over 1 million tiles on the roof
- Uses 6225 square metres of glass and 645 kilometres of electric cable