This is the opera house.
This town reminded me of the architecture in Scotland, where I spent my formative teenage years. Dour, granite and with a large number of sewing shops and fish and chip eateries. The rain helped too.
Oamaru made a huge amount of money out of its harbour. It was a deep- water port easily accessible to sailing ships right in the middle of the most fertile area of South Island. They built a big harbour, warehouses and loading facilities and it took off – the first refrigerated sailing/steam ship took a cargo worth $70M of frozen lamb in the early 1900’s. The prosperity of the town shows even today in the architecture, the wide streets, the parks and the general air of organisation – it’s definitely not one of the ramshackle towns, but something planned.