Melbourne is a hub of activity with a thriving arts and food scene and one of australias biggest attractions on a city sightseeing melbourne hop on hop off tour you get a 24 or 48 hour ticket that offers unlimited sightseeing along two routes that take you to the must see spots such as the arts centre etihad stadium and eureka tower which has the highest public vantage point in the southern hemisphere see the sights with 360 degree views on the open top double decker bus and then hop of