Callanish (Callanais) Stone Circle dating from Neolithic period between 3000 and 1500 BC, at dawn, Isle of Lewis, Outer Hebrides, Scotland, United Kingdom, Europe

One of eight stone houses with stone furniture including beds, a central hearth and stone dresser, Skara Brae, neolithic village dating from between 3200 and 2200 BC, UNESCO World Heritage Site, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Fishing boats at Puntarenas on the mainland coast of the Gulf of Nicoya, north west area, Costa Rica, Central America

Central chamber and side chambers built into the centre of the walls, Maes Howe chambered cairn, dating from 2700 BC, part of Central Mainland UNESCO World Heritage Site, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Maes Howe chambered cairn, dating from 2700 BC, part of Central Mainland UNESCO World Heritage Site, Mainland, Orkney Islands, Scotland, United Kingdom, Europe

Muckle Roe, a small island of the Shetland Islands. Muckle Roe (big red isle) is famous for the red, unspoilt granite cliffs and beaches. europe, central europe, northern europe, united kingdom, great britain, scotland, northern isles,shetland islands islands, May

Landscape on the Eshaness peninsula, the old haaf fishing station at Stenness. haaf fishing in open boats (sixern or sixereens) was a major source of income in Shetland around 1900. europe, central europe, northern europe, united kingdom, great britain, scotland, northern isles,shetland islands, May

Ring of Brodgar, part of the UNESCO world heritage site Heart of Neolithic Orkney. This neolithic henge monument and stone circle is one of the main attractions of the Orkney Islands. europe, central europe, northern europe, united kingdom, great britain, scotland, northern isles,orkney islands, June

Landscape on the Eshaness peninsula. The famous cliffs and sea stacks of Eshness, a major attraction on the Shetland Islands. the cliffs are a major part of the Geopark Shetland, showing a cross section of a 395 mio years old vulcano europe, central europe, northern europe, united kingdom, great britain, scotland, northern isles,shetland islands, june

The Cliffs of Yesnaby in Orkeny, Scotland, during stormy weather and sunset. europe, central europe, northern europe, united kingdom, great britain, scotland, northern isles,orkney islands, June

Landscape on the Eshaness peninsula. The famous cliffs and sea stacks of Eshness, a major attraction on the Shetland Islands. the cliffs are a major part of the Geopark Shetland, showing a cross section of a 395 mio years old vulcano europe, central europe, northern europe, united kingdom, great britain, scotland, northern isles,shetland islands, May

Landscape on the Eshaness peninsula. The famous cliffs and sea stacks of Eshness, a major attraction on the Shetland Islands. the cliffs are a major part of the Geopark Shetland, showing a cross section of a 395 mio years old vulcano europe, central europe, northern europe, united kingdom, great britain, scotland, northern isles,shetland islands, june