On the topic of architecture, the city centre of Melbourne is splendidly packed with many heritage protected buildings from many eras that boast many styles. As you wander across the area, you'll find many famous and iconic buildings, paintings of old advertisements and utterly futuristic structures. Highlights here include the Federation Square, Block Arcade, ANZ's headquarters, the Nicholas Building as well as the Flinders Street Railway Station. The city also hosts an annual Open House event where you can get access to many of Melbourne's architectural highlights that are otherwise off limits. If you're into photography, the area presents wonderful opportunities for some truly breathtaking street shots.