Humans have adapted the geosphere and used the resources it provides for thousands of years, to build settlements, monuments and works of art.

These sites provide an opportunity to see evidence of our own history, as well as revealing fascinating geology, sometimes in the most unexpected of places.

Click on the links below to find out about each Geosite:

	Callanish Stones Lewis, Outer Hebrides, Scotland The Callanish Stones are a circle of standing stones near the village of Callanish on the west coast of Lewis in the Outer Hebrides, they are all of the same rock type, the local Lewisian gneiss.
	Hadrian's Wall & the Great Whin Sill Northumberland, England Hadrian's Wall was a defensive fortification in Roman Britain, during the rule of emperor Hadrian. Stretches of the wall strategically take advantage of the high, rock cliff lines of the Great Whin Sill which is generally regarded as the original and most important sill in geology.
	Stonehenge Wiltshire, England Stonehenge is the remains of a ring of standing stones set within earthworks. The stones used are a mixture of bluestones, Ordovician dolerite, rhyolite, tuffs and volcanic and calcareous ash. The People’s Choice
	Durham Cathedral County Durham, England The building stones used for Durham Cathedral expose some excellent geology, including the local ‘Frosterley Marble’, a black limestone containing fossil corals of the Carboniferous Period.
	Eddystone Lighthouse Devon, England The Eddystone Lighthouse is located on the dangerous Eddystone rocks, 9 miles south of Rame Head and represents a feat of engineering in terms of design and construction.
	Thames Barrier London, England Operational since 1982, its purpose is to prevent the floodplain of all but the easternmost boroughs of Greater London from being flooded by exceptionally high tides and storm surges moving up from the North Sea.
	Céide Fields Bog County Mayo, Ireland The Céide Fields is an archaeological site on the north County Mayo coast. The site is the most extensive Neolithic site in the world and contains the oldest known field systems in the world.
	Highgate Cemetery London, England Highgate cemetery is notable both for some of the people buried there was well as for its status as a nature reserve. The rocks used for headstones mean it's a great place to see a wide range of geology in an urban setting.
	Skara Brae Mainland, Orkney, Scotland Skara Brae is a stone-built Neolithic settlement in Orkney. It gained UNESCO World Heritage Site status as one of four sites making up ‘The Heart of Neolithic Orkney’.
	Westminster Abbey London, England Westminster Abbey contains a range of decorative stones from Britain as well as those quarried from Roman building stones, which include Importial Porphyry and Egyptian Gabbro.