 North Uist has many prehistoric structures, including the Barpa Langass chambered cairn, the Pobull Fhinn stone circle and the Fir Bhreige standing stones.Eilean Glas a tiny peninsula on Scalpay's eastern shore is home to the first lighthouse to be built in the Outer Hebrides.South Uist is home to the Kildonan Museum housing the 16th century Clanranald Stone and the ruins of the house where Flora MacDonald was born.