The Australian Antarctic Division is the government base behind Australia's Antarctic research and logistics. Its small visitor centre explains the practical side of polar exploration: field science, ships, aircraft, weather, and the long chain of planning needed before anyone can work safely on the ice.
It sits south of Hobart near Kingston, so it is not a casual city-centre stop. Go if Antarctic history or science is already on your list; otherwise Hobart's waterfront museums give a broader introduction to Tasmania.