📜 17th-century town house on Edinburgh's Royal Mile, protected as a Category A listed building.🔍 Named for a cannonball embedded in its western wall. # Why Go🏰 Located immediately adjacent to Edinburgh Castle🍽️ Currently houses a restaurant🚶 Easy to view from Castle Wynd Steps📜 Learn about its debated history as a siege relic or water supply marker # Why Avoid⚠️ Area can be congested with tourists💤 Cannonball is somewhat camouflaged amongst stonework # TipsLook for the cannonball from the top of the steps of Castle Wynd North.