Brisbane River.

The Brisbane River is the defining feature of the "River City," bending directly through the CBD and suburban neighborhoods rather than just skirting their edges. Far from being merely decorative, this wide, tidal waterway is central to daily life and urban transit. Boarding a double-decker CityCat ferry is one of the best ways to orient yourself, offering prime views of the Story Bridge, the Kangaroo Point Cliffs, and the city skyline. For a closer look at its unique ecology—which supports mangroves, lungfish, and even bull sharks—kayaking tours offer a street-level alternative. Though its sediment-heavy water looks murky, the river remains Brisbane's active, historical highway, offering a scenic lens through which to view the city's layered waterfront development.