Travelers are voting Sydney Opera House, Sydney Tower Eye and Sydney Harbour Bridge as the best of 42 key buildings in Sydney. There are 6 key buildings in Gosford a city just 31 km from Sydney and 2 key buildings in Wollongong which is 42 km distant. The most popular of these are Hawkesbury River Railway Bridge in Gosford and WIN Stadium in Wollongong. You can find 135 key buildings in New South Wales and 404 key buildings in the country of Australia. Our members favorite in New South Wales is Sydney Tower Eye and Sydney Opera House is the top pick in Australia. Want more? Check out our map of key buildings in Sydney.