Jarlshof is the best known prehistoric archaeological site in Shetland, Scotland. It has been described as "one of the most remarkable archaeological sites ever excavated in the British Isles". It contains remains dating from 2500 BC up to the century AD.
Fairy Bridge (Reelig Glen, Scotland) "The bridge & grotto in Reelig Glen, near Inverness. The story goes that they were built by the fairies living in the woods, which is why locals call it Fairy Glen rather than Reelig"