This unique museum is located on the waterfront in the heart of the harbour, near the center of Sydney, where you can see tall ships, submarines, beautiful historic boats, temporary exhibitions, and many children-friendly activities. Visitors wandering at the docks can also board ships to explore Life at sea . The museum also houses the National Maritime Collection, which contains more than 140,000 objects, and discusses topics such as maritime defense, exploration, migration, and coastal culture.