🇮🇪 Ireland · Megalith
Fourknocks Passage Tomb
Neolithic (c.3200–2800 BCE) · Boyne Valley Passage Tomb tradition
Meath passage tomb with wide cruciform chamber, timber-roofed instead of cairn, and profuse engraved art including anthropomorphs.
🇮🇪 Ireland · Megalith
Carrowkeel Passage Tomb Complex
Late Neolithic · Loughcrew-Carrowkeel passage tradition (Boyne variant)
14 hilltop passage cairns (10–21 m) on Bricklieve ridges above Lough Arrow, with cruciform chambers and light boxes.