UK Map 70 Dunnet Bay Caravan Club Site Grummore Caravan Club Site Hill o’ Many Stanes (Historic Scotland) - More than 22 rows of low slabs arranged in a slightly fan-shaped pattern Castle of Old Wick (Historic Scotland) - The ruin of the best-preserved Norse castle in Scotland Clickimin Broch (Historic Scotland) - A good example of a broch tower with associated secondary buildings of Iron Age date Hackness Martello Tower and Battery (Historic Scotland) - One of a pair of towers built to provide defence against French and American privateers St Mary’s Chapel (Historic Scotland) - A simple dry-stone chapel, probably of 12th-century date Grey Cairns of Camster (Historic Scotland) - Two chambered burial cairns of Neolithic date