Colorful signs are scattered across Amsterdam. Keep a sharp eye out for the intriguing images, and you’ll learn more about the various homes and business they adorn than you ever would from merely reading a house number or address.
These gable stones (gevelstenen in Dutch) originally served a practical purpose. In the days before houses were numbered and the general population could read, the signs used images to represent the name of a homeowner or purpose of a business.
About the source: Atlas Obscura
Atlas Obscura aims 'to inspire wonder and curiosity about the incredible world we all share'. You can contribute to their collection on their website.