One of the world’s great icons, the Sydney Opera House is a UNESCO World Heritage Site and the star attraction on the glittering harbor. This graceful building, shaped like shells or billowing sails, perches on a finger of land surrounded by water. Snap a photo while gliding by on a harbor cruise, relax at one of the restaurants, stroll around its exterior, or take an organized tour of this magnificent structure, which encompasses theaters, studios, exhibition rooms, a concert hall, and cinema. Book a Â Sydney Opera House Guided Walking Tour to learn about the history and get a behind-the-scenes look at this famous building. This is a flexible ticket that allows you to join any one of the tours throughout the day, departing every half hour from 9am to 5pm. Avid photographers head to Mrs Macquarie’s Chair for one of the best photo opportunities.