🇯🇵 Japan · Megalith
Oshoro
Jomon Mid–Late 2500–1800 BCE (Hokkaido) · Jomon Hokkaido (Oshima–Shakotan)
Hokkaido Jomon stone circle (2500–1800 BCE) at Oshoro Otaru — 30 m with 47 boulders and Fusen rock art above Oshoro Bay.
🇦🇷 Argentina · Geoglyph
Carro Quemado Stone-Circle Geoglyphs (Valle de las Pinturas, La Pampa)
Late Holocene (Patagonian hunter–gatherer, Araucanized) · Tehuelche / La Pampa foothill hunter–gatherers
70+ basalt circle and line geoglyphs (800–1600 CE) on La Pampa meseta — Patagonian pampa hunting cosmology.
🇯🇵 Japan · Megalith
Oyu Stone Circles
Late Jomon 2000–1500 BCE · Jomon Late
Twin Late Jomon double-stone circles (2000–1500 BCE) — Manza (46 m dia) and Nonakado (42 m dia) placed either side of prefectural road at Oyu, Kazuno, each concentric with sundial-like 2.1 m central…
🇯🇵 Japan · Megalith
Isedotai Stone Circles
Late Jomon (2000–1000 BCE) · Late Jomon (northern Tōhoku)
Late Jomon ritual stone complex (c.2000–1700 BCE) at Kitaakita, Akita — four large stone circles (largest 45 m dia.) with 200+ river cobble andesite arrangements, sunken pit structures, and adjacent…
🇬🇧 United Kingdom · Megalith
Duddo Five Stones — Northumberland
Early Bronze Age (c.2000–1800 BCE) · British Early Bronze Age (Collared Urn)
Duddo Five Stones (Early Bronze Age c.2000 BCE) is a 10-m sandstone circle on a low rise 4 mi south of the Scottish border, with five soft, deeply weathered pillars up to 2.3 m tall standing in a…
🇬🇧 United Kingdom · Megalith
Stanton Drew Stone Circles
Late Neolithic to Early Bronze Age · Late Neolithic Severn
England's third-largest circle complex — 113 m Great Circle plus two smaller circles and Cove near Bristol.
🇬🇧 United Kingdom · Megalith
Arbor Low Stone Circle
Late Neolithic · Late Neolithic Peak District
Peak District henge enclosing 43 recumbent stones with 90 m bank-ditch and central cove, linked to Gib Hill barrow.
🇬🇧 United Kingdom · Megalith
Rollright Stones
Early Neolithic to Middle Bronze Age · Cotswold Neolithic to Beaker
Neolithic-Bronze Age complex with King's Men circle, Whispering Knights dolmen and King Stone monolith on Cotswold ridge.
🇬🇧 United Kingdom · Megalith
Long Meg and Her Daughters
Late Neolithic to Early Bronze Age · Late Neolithic Cumbrian
Largest circle in northern England — 59-stone oval with 3.6 m outlier Long Meg bearing cup-and-ring spirals.
🇬🇧 United Kingdom · Megalith
Avebury
Late Neolithic · Windmill Hill / Late Neolithic Wessex
Largest megalithic stone circle in Europe (11.5 ha), enclosing outer bank and ditch and two inner circles. Village of Avebury sits partially within the monument.
🇬🇧 United Kingdom · Megalith
Birkrigg Stone Circle — Urswick, Cumbria
Late Neolithic to Early Bronze Age (c.2500–1700 BCE) · Cumbrian Late Neolithic–Bronze Age (Beaker)
Birkrigg stone circle (Late Neolithic–Early Bronze Age c.2500–1700 BCE), also called the Druid's Temple, is a double concentric circle 26 m outer and 9 m inner on Birkrigg Common limestone moor 2 mi…
🇬🇧 United Kingdom · Megalith
Swinside Stone Circle (Sunkenkirk)
Late Neolithic · Late Neolithic Cumbria (Langdale axe trade area)
55-stone porphyritic circle (28.6 m) above Duddon estuary — best preserved in North-West England.
🇬🇧 United Kingdom · Megalith
Callanish IV (Ceann Hulabhaig)
Late Neolithic · Hebridean Late Neolithic
Six-stone flattened circle (13.3×9.5 m) with central robbed cairn, 2.2 km south of Callanish I.
🇬🇧 United Kingdom · Megalith
Ring of Brodgar
Late Neolithic · Grooved Ware Orcadian
Massive henge and stone circle 104 m diameter, originally 60 stones (36 surviving). Enclosed by rock-cut ditch up to 10 m wide. Core of Heart of Neolithic Orkney.
🇬🇧 United Kingdom · Megalith
Castlerigg Stone Circle
Late Neolithic · Late Neolithic Cumbria / Langdale axe network
Late Neolithic flattened circle of 38 stones near Keswick with rectangular eastern enclosure and fells panorama.