We begin at the Booking Centre, Wharf 6, Circular Quay. The Rocks are one of the oldest and historic areas Sydney situated on the Sydney harbor. It provides a glimpse into the past of this modern city. Lined with Museums, galleries, cafes, bars etc. the Rocks are also the home to some of Sydney's oldest surviving pubs. Historic buildings are seen on both sides of the street and from here on we follow our Blue Line of the Tank Stream.