🇫🇷 France · Megalith
Dolmen de Kercado
Early Neolithic (c.3800–3600 BCE) · Carnac Neolithic (Tumulus culture)
Tumulus-capped passage grave (6.5 m passage) on Kercado ridge with hafted axe carving — Carnac tumulus evolution exemplar.
🇮🇪 Ireland · Megalith
Newgrange
Neolithic · Irish Middle Neolithic (Boyne Valley)
Grand passage tomb in the Bend of the Boyne with 85 m diameter cairn, decorated kerbstones and cruciform chamber. Famous for winter solstice sunrise illuminating chamber through roof-box.