Your Essential Free Tour of Sydney will focus on the historic laneways of the Rocks—a cozy neighborhood in the shadow of impressive Sydney Harbour Bridge. This gorgeous architectural steel bridge is a highlight that engineers and architects will love to visit. The massive size and elegant design of Harbour Bridge give the city an unbeatable modern character. For those visiting Sydney for the first or even second time, a trip to the iconic Sydney Opera House is simply a must. You’ve seen this paradigmatic building in movies, TV shows, and even cartoons; however, seeing it face-to-face life is unreal. It’s a masterpiece of 20th century architecture and the absolute symbol of Sydney. Nearby, you will find other historical monuments worth visiting, such as the 1845 former Customs House.