Sydney Opera House
The Sydney Opera House, located in Sydney, was constructed by Jørn Utzon. Construction started on March 1, 1959 and the building was completed on October 20, 1973. At the time it cost $102 million dollars which today is equivalent to about $859 million dollars.
It became a UNESCO (United Nations Educational, Scientific and Cultural Organization) World Heritage Site on June 28, 2007.
Great Barrier Reef
Being the world's largest coral reef system, the Great Barrier Reef is composed of more than 2,900 individual reefs and 900 islands stretching more than 1,400 miles (2,300 km). The Reef is located in the Coral Sea, off the coast of Queensland, Australia.
The Reef is a very popular tourist destination with tourism generating over $3 billion per year for the region.
Google launched Google Underwater Street View in 3D of the Great Barrier Reef in November of 2014.