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.

The Circle Line, known as the orbital rail line or MRT3 project, will span 51km around the city’s public transport perimeter and integrate existing MRT, LRT, KTM and monorail lines through 10 ...