Melbourne loves its trams. And the free City Circle Tram, which operates in the central ... depending on the zone you're traveling in, while seven-day passes start at AU$27 ($21).

The City Circle Tram is a must-do. For one, it gives you a nice overview of Melbourne's top tourist attractions. More importantly, it's free. Just look for a burgundy and cream tram and hop right on.

As well as encouraging overcrowding in trams in the CBD, the free tram zone diverts attention and funding away from where it’s really needed.