Eureka Tower

Eureka Tower is a 297.3 metre (975 foot) tall skyscraper in Melbourne, Australia and is the tallest building in Australia when measured to its roof. Q1, on the Gold Coast, Queensland is the tallest building in Australia because it has a spire that makes its total height 322.5 metres. Eureka Tower has 91 storeys and one floor underground.
Construction of the tower started in 2002 and opened on 11 October 2006. Grocon did the construction.
The top 10 floors of the building have windows coated in gold plating and golden toilets. The viewing deck on floor 88 is the tallest public observation deck in the Southern Hemisphere. It is 285 metres (935 feet) above the ground and people have a large view of the city of Melbourne.