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Pyramids  - Terry Pratchett

They wandered through the sunset streets of the city, and towards the harbour. All streets in the city led towards the harbour.

Someone was just putting a torch to the lighthouse, which was one of the More Than Seven Wonders of the World and had been built to a design by Pthagonal using the Golden Rule and the Five Aesthetic Principles. Unfortunately it had then been built in the wrong place because putting it in the right place would have spoiled the look of the harbour, but it was generally agreed by mariners to be a very beautiful lighthouse and something to look at while they were waiting to be towed off the rocks.