🇮🇪 Ireland · Megalith
Poulnabrone Dolmen
Early Neolithic · Early Neolithic Ireland (Lambay / Burren Neolithic)
Burren's iconic portal dolmen — 3.7 m capstone over 2.5 m chamber holding 33 Neolithic burials in limestone clint landscape.
🇮🇪 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.
🇮🇪 Ireland · Ancient village
Keenagh (Corlea 2) Bog Trackway (County Roscommon–Longford border)
Iron Age (Late Iron Age, La Tène D, 148 BCE) · Irish Iron Age (La Tène, Uisnech kingship)
Iron Age 1-km oak causeway (148 BCE) — Keenagh's in situ twin to Corlea 1, part of 5-trackway Shannon bog field.
🇮🇪 Ireland · Megalith
Poulnabrone Exclave Wedge Terrace — Northern Annex
Chalcolithic (2500-2000 BCE) · Irish Chalcolithic
Poulnabrone Exclave Wedge Terrace — Northern Annex in The Burren, County Clare, Ireland is a Chalcolithic (2500-2000 BCE) megalithic attributed to Irish Chalcolithic.
🇮🇪 Ireland · Megalith
Loughcrew Cairn L West Chamber — Eastern Outlier
Middle Neolithic (3600-3000 BCE) · Irish Neolithic
Loughcrew Cairn L West Chamber — Eastern Outlier in County Meath, Ireland is a Middle Neolithic (3600-3000 BCE) megalithic attributed to Irish Neolithic.
🇮🇪 Ireland · Megalith
Carrowmore Dolmen Outlier 12 — Eastern Outlier
Early Neolithic (4000-3000 BCE) · Irish Neolithic
Carrowmore Dolmen Outlier 12 — Eastern Outlier in County Sligo, Ireland is a Early Neolithic (4000-3000 BCE) megalithic attributed to Irish Neolithic.
🇮🇪 Ireland · Megalith
Loughcrew Cairn L West Chamber
Middle Neolithic (3600-3000 BCE) · Irish Neolithic
Loughcrew Cairn L West Chamber in County Meath, Ireland is a Middle Neolithic (3600-3000 BCE) megalithic attributed to Irish Neolithic.
🇮🇪 Ireland · Megalith
Carrowmore — Listoghil Central Tomb
Middle Neolithic – Bronze Age · Carrowmore passage/boulder tradition (early)
Ireland's largest cemetery — ~30 boulder dolmens around Listoghil passage tomb (3600 BCE), oldest on Cúil Irra peninsula.
🇮🇪 Ireland · Ancient city
Ancient City of Barrow-Cleugh
Late Bronze Age (1550–1050 BCE) · Late Bronze Age
Ancient City of Barrow-Cleugh in County Kerry, Ireland is a Late Bronze Age (1550–1050 BCE) ancient city attributed to Late Bronze Age culture.
🇮🇪 Ireland · Megalith
Loughcrew — Cairn L Passage Tomb Slieve na Calliagh
Neolithic (3300 BCE) · Loughcrew Neolithic
Slieve na Calliagh Cairn L excavated by Conwell 1860s, sun beam at equinox lights chamber art, Hag's Chair kerbstone.
🇮🇪 Ireland · Megalith
Tullaghoge Fort Sector 750
Iron Age (800 BCE–400 CE) · Irish Iron Age
Tullaghoge Fort Sector 750 in County Tyrone, Ireland is a Iron Age (800 BCE–400 CE) megalithic.
🇮🇪 Ireland · Earthwork
Corlea Trackway
Iron Age, Late La Tene 148 BCE · Late Iron Age La Tene Ireland
147 BCE Iron Age oak plank highway (3.2 m wide, 1.6 km) across Corlea Bog, largest European timber road built in one year.
🇮🇪 Ireland · Archaeological wonder
Corduff Bog Trackway C (Corduff–Eglish Late Bronze Age Causeway)
Late Bronze Age (Roscommon horizon) · Irish dryland-bog community
Late Bronze Age oak plank boardwalk (82 m, 1.4 m wide) across fen–raised bog transition at Monaghan.
🇮🇪 Ireland · Archaeological wonder
Derryville Bog Track Cluster Extension (Littleton–Templemore North)
Neolithic to Iron Age consecutive · North Tipperary bog-edge farmers
North lobe extension of Derryville megacluster: 3 tracks (2450–220 BCE) plus wattle panel type-specimen.
🇮🇪 Ireland · Ancient village
Derryoghil & Tin Tab Bog Trackways (Derryoghil–Derragh Bog, Co. Longford)
Neolithic to Early Bronze Age (2750–2280 BCE) · Irish Neolithic–Early Bronze (Beaker transition, 2500 BCE)
700-m stacked bog road (2750 BCE brush under 2280 BCE oak plank) — only Neolithic→Bronze stacked reuse in Ireland.
🇮🇪 Ireland · Archaeological wonder
Corlea Bog Trackway Eastern Extension (Roscommon)
Iron Age (La Tène B / Gaelic Ireland) · Gaelic Iron Age Ireland
Eastern continuation (48 m asl, 53°37′N 07°50′W 53.62,-7.84 Cloonbreany 2 Cartron Rd N39 XT18) of the Iron Age Corlea Trackway (148 BC precise dendro of 18-m preserved hall, 148 BC autumn fell) bog…
🇮🇪 Ireland · Megalith
Poulnabrone Exclave Wedge Terrace — Southern Extension
Chalcolithic (2500-2000 BCE) · Irish Chalcolithic
Poulnabrone Exclave Wedge Terrace — Southern Extension in The Burren, County Clare, Ireland is a Chalcolithic (2500-2000 BCE) megalithic attributed to Irish Chalcolithic.
🇮🇪 Ireland · Megalith
Poulnabrone Exclave Wedge Terrace — Eastern Outlier
Chalcolithic (2500-2000 BCE) · Irish Chalcolithic
Poulnabrone Exclave Wedge Terrace — Eastern Outlier in The Burren, County Clare, Ireland is a Chalcolithic (2500-2000 BCE) megalithic attributed to Irish Chalcolithic.
🇮🇪 Ireland · Megalith
Poulnabrone Exclave Wedge Terrace
Chalcolithic (2500-2000 BCE) · Irish Chalcolithic
Poulnabrone Exclave Wedge Terrace in The Burren, County Clare, Ireland is a Chalcolithic (2500-2000 BCE) megalithic attributed to Irish Chalcolithic.
🇮🇪 Ireland · Temple complex
Clonmacnoise
Early Medieval (544–1552 CE) · Early Christian Gaelic (Columban tradition)
Great early monastery at Shannon-Esker crossing (544 CE) with cathedral, two round towers, three high crosses and 3,000 graves.
🇮🇪 Ireland · Megalith
Carrowkeel Passage Tomb Cluster K — Eastern Outlier
Early Neolithic (4000-3000 BCE) · Irish Neolithic
Carrowkeel Passage Tomb Cluster K — Eastern Outlier in County Sligo, Ireland is a Early Neolithic (4000-3000 BCE) megalithic attributed to Irish Neolithic.
🇮🇪 Ireland · Megalith
Carrowkeel Passage Tomb Cluster K — Western Terrace
Early Neolithic (4000-3000 BCE) · Irish Neolithic
Carrowkeel Passage Tomb Cluster K — Western Terrace in County Sligo, Ireland is a Early Neolithic (4000-3000 BCE) megalithic attributed to Irish Neolithic.
🇮🇪 Ireland · Megalith
Loughcrew Cairn L West Chamber — Southern Extension
Middle Neolithic (3600-3000 BCE) · Irish Neolithic
Loughcrew Cairn L West Chamber — Southern Extension in County Meath, Ireland is a Middle Neolithic (3600-3000 BCE) megalithic attributed to Irish Neolithic.
🇮🇪 Ireland · Megalith
Brú na Bóinne Satellite Cairn Z — Western Terrace
Late Neolithic (3200-2900 BCE) · Irish Neolithic
Brú na Bóinne Satellite Cairn Z — Western Terrace in County Meath, Ireland is a Late Neolithic (3200-2900 BCE) megalithic attributed to Irish Neolithic.