📜 Remains of a 19th-century stone carving intended as a signal light on the Firth of Forth Estuary.🔍 Designed by Robert Stevenson, grandfather of Robert Louis Stevenson, located in Crail, Scotland. # Why Go 🌊 See the visible outlines of the stone base cuttings at low tide.💡 Learn about the design from Stevenson's diagrams on a nearby placard.🏛️ Explore a significant site of Scottish engineering and architectural history.🚶 Easy walk from parking. # Why Avoid ⚠️ Visible only at low tide.🚗 Narrow road to site. # Tips ⏰ Check local tide timetables for low tide to see the remains.🅿️ Park at Crail Golfing Society carpark.🚶 Walk a few yards along a gravel path to the coastguard station.