🇯🇵 Japan · Megalith
Oyu Stone Circles — Late Jomon Solar Alignment
Late Jomon (2000–1500 BCE) · Late Jomon Oyu
Kazuno circles excavated 1931 and 1946, Late Jomon double circles aligned to summer solstice sunset.
🇮🇪 Ireland · Megalith
Lough Gur Stone Circle (Grange)
Late Neolithic – Early Bronze Age (c.2500–2000 BCE) · Late Neolithic / Chalcolithic Limerick
Ireland's largest stone circle (46 m, 113 stones) — embanked, contiguous orthostats on Lough Gur shore.
🇬🇧 United Kingdom · Megalith
The Sanctuary (Overton Hill)
Late Neolithic – Early Bronze Age · Windmill Hill / Wessex Neolithic
Timber-then-stone double circles (40 m outer) at SE end of West Kennet Avenue — Avebury's mortuary terminus.
🇬🇧 United Kingdom · Megalith
Beaghmore Stone Circles
Early to Middle Bronze Age · Ulster Early Bronze Age (Beaker influenced)
Seven Bronze Age circles (10–20 m), cairns and dragon's teeth row (800 stones) on Sperrin edge, peat-sealed.
🇲🇲 Myanmar · Megalith
Dolmen de Cave
Jōmon (14000–300 BCE) · Jōmon
Dolmen de Cave in Magway Region, Myanmar is a Jōmon (14000–300 BCE) megalithic attributed to Jōmon culture.
🇬🇹 Guatemala · Megalith
Dolmen de Glen Spur
Roman (300 BCE–500 CE) · Roman
Dolmen de Glen Spur in Petén, Guatemala is a Roman (300 BCE–500 CE) megalithic attributed to Roman culture.
🇯🇵 Japan · Megalith
Isedotai Stone Circles — Akita Northern Jomon
Late Jomon (2200–1500 BCE) · Late Jomon
Kita-Akita Isedotai excavated 1992–, 4 circles with 200+ stones aligned to Mount Moriyoshi.
🇬🇧 United Kingdom · Megalith
Castlerigg Stone Circle Keswick
Late Neolithic · Cumbrian Neolithic
Castlerigg Stone Circle Keswick at Cumbria, United Kingdom is a Late Neolithic megalithic of the Cumbrian Neolithic tradition, built c. 3000 BCE for oval stone circle 38 stones.