The Sydney Harbour Bridge and Circular Quay by night. The Sydney Harbour bridge is one of the most recognised landmark in Australia.
More about Circular Quay:
http://nomadshostels.com/Circular-Quay/the-rocks-circular-quay-sydney
The Mad Travel Sydney destination guide:
http://nomadshostels.com/Sydney/destination-sydney-sydney-travel-guide-advice
