The city dominated by the harbor,which people have spectacular in the world there are there things that you must not-and indeed cannot-miss. FIRST, there is Sydney Harbor Bridge, one of the largest single-arch bridges in the world Second, the Sydney Opera house is a famous landmarks that most visitors greatly anticpate seeing. Fainally, don't miss Fort Denison , where prisoners we're kept in solitary confinement for days on a diet of bread and water. The best way to get around is by boat or hydrofoil, boat of which have regular services leaving from Circular Quay. IF you prefer to do things at your own pace, why not hire one of the many boats available fore this purpose ?