As we came in to land at Sydney Airport yesterday, we were treated with glorious views of the famous Harbour. And with a rare sense of familiarity, we eased through arrivals and straight to the railway platform for a fast train into the city centre. We'd contemplated sticking around the airport area for the night as we had less than 24 hours before a connecting flight to New Zealand, but there was one last place we wanted to check out in the city - Darling Harbou...

Think you know the answer to this question? It's brilliant white, right? Wrong. Sydney Opera House is actually a mushy cream colour. It's a concrete building, covered with what seems to be cracked bathroom tiles. If you've not seen if for yourself, we're sorry to break it to you, but we were pretty stunned too. In fact, we initially wondered whether the only reason this building has become one of the world's most iconic, is due to its magic ability to change colo...