Jarlshof is the most famous archaeological site in Shetland and The entire Scotland and one of the most excavated and fully explored in the entire UK. It’s a site of continuous habitation from about 2500 BC to the 17th century – Neolithic settlement, Bronze and Iron Age ruins with subterranean passageways , Vikings and Norsemen villages from the 9th century with remains of traditional longhouses, medieval farmstead and finally the castle of the First Earl of Orkney. The ruins are all together and interpretive signs tell you about each period. The scenery around is also totally stunning