🇬🇧 United Kingdom · Megalith
Clickimin Broch
Late Bronze Age to Iron Age (c.1000 BCE–500 CE) · Atlantic Iron Age
Multi-phase broch on loch islet near Lerwick with unique blockhouse forework and wheelhouse overbuild.
🇬🇧 United Kingdom · Fortress
Fortress of Kistvaen Barrow
Late Bronze Age (1550–1050 BCE) · Late Bronze Age
Fortress of Kistvaen Barrow in Somerset, South West England, United Kingdom is a Late Bronze Age (1550–1050 BCE) fortress attributed to Late Bronze Age culture.
🇬🇧 United Kingdom · Ancient village
Village of Drumlin Wood
Hellenistic (323–31 BCE) · Hellenistic
Village of Drumlin Wood in Somerset, South West England, United Kingdom is a Hellenistic (323–31 BCE) ancient village attributed to Hellenistic culture.
🇬🇧 United Kingdom · Megalith
Holm of Papa Westray North Cairn
Early Neolithic · Orkney Early Neolithic
20 m stalled long cairn on uninhabited holm off Papa Westray — paired with South cairn 200 m away.
🇬🇧 United Kingdom · Earthwork
Silbury Hill
Late Neolithic 2400–2300 BCE · Late Neolithic Britons (Grooved Ware)
Europe's tallest prehistoric mound – 39-m artificial hill with unknown purpose.
🇬🇧 United Kingdom · Megalith
Kilfeaghan Portal Tomb
Late Neolithic to Early Bronze Age · Portal Tomb
Low-set portal tomb above Carlingford Lough near Rostrevor, 35-40 ton capstone, among heaviest in Ireland.
🇬🇧 United Kingdom · Megalith
Millbarrow (Winterbourne Monkton Long Barrow)
Early Neolithic · Cotswold-Severn
Excavated Cotswold-Severn long barrow north of Avebury, 30 m, discrete façade, c.3750 BCE.
🇬🇧 United Kingdom · Geoglyph
Long Man of Wilmington
Early Modern likely 16th–17th c.; Bronze Age claim unproven · Early Modern British; alternate prehistoric hypothesized
69-m hill figure with staffs on South Downs, enigmatic later date.
🇬🇧 United Kingdom · Megalith
Blackhammer Chambered Cairn
Early Neolithic · Orkney Cromarty stalled tradition
Rousay stalled cairn — 13 m seven-compartment chamber under 22 m mound on south coast.
🇬🇧 United Kingdom · Megalith
Windmill Hill Causewayed Enclosure
Early Neolithic · Windmill Hill / Hembury Ware
Type-site causewayed enclosure 2 km from Avebury — three interrupted ditch circuits enclosing 8.5 ha.
🇬🇧 United Kingdom · Megalith
Tomb of the Eagles — Isbister Chambered Cairn
Neolithic (c.3150–2500 BCE) · Orcadian Neolithic
South Ronaldsay chambered cairn excavated by J. Hedges (1976), yielding 16,000 human bones, 725 bird bones including white-tailed eagle talons, and Beaker pottery — headland cliff-edge site.
🇬🇧 United Kingdom · Megalith
Holm of Papa Westray South Chambered Cairn
Neolithic (c.3200–2800 BCE) · Orcadian Neolithic
Tidal islet cairn linked to earlier Holm of Papa Westray North Cairn (c.3700 BCE), excavated 1982–83, yielding human bone, pottery and lithics now dated to 3200 BCE.
🇬🇧 United Kingdom · Megalith
Calanais Standing Stones
Late Neolithic – Early Bronze Age · Hebridean Late Neolithic
Cruciform setting: central circle 13 m diameter with 4.8 m monolith and avenues N,S,E,W. Most prominent of 19 Callanish sites on ridge above Loch Roag. Potential lunar standstill alignment.
🇬🇧 United Kingdom · Geoglyph
Cerne Abbas Giant
Early Medieval 700–1100 CE per 2020 OSL; earlier prehistoric speculation revised · Late Saxon / Early Medieval Wessex (?)
55-m chalk giant with club on Dorset hill - maybe Saxon Hercules.
🇬🇧 United Kingdom · Hillfort
Dunadd Fort — Kilmartin Glen
Iron Age to Early Medieval · Dal Riata Scots
Dunadd Fort — Kilmartin Glen in Argyll, Scotland, United Kingdom is a Iron Age to Early Medieval hillfort attributed to Dal Riata Scots.
🇬🇧 United Kingdom · Earthwork
Thornborough Henges — Southern Triple Alignment
Late Neolithic (3500–2500 BCE) · Late Neolithic Northern
Thornborough's triple henges excavated by Thomas 1952 and Harding 1981, gypsum-covered banks visible from 3 km, linked to Nunwick henge 1 km.
🇬🇧 United Kingdom · Ancient village
Skara Brae Boundary Wall Extension — Bay of Skaill Middens
Late Neolithic (3180–2500 BCE) · Grooved Ware Orkney
Skara extension excavated by Clarke 1928–30 and recent erosion exposures, middens with pottery, bone tools and dyke wall.
🇬🇧 United Kingdom · Megalith
Standing Stones of Stenness
Late Neolithic · Grooved Ware Orcadian
Four surviving uprights of oval henge circle originally 12 stones up to 5.7 m tall on promontory between lochs. One of earliest henges in Britain (c.3100 BCE).
🇬🇧 United Kingdom · Megalith
St Lythans Burial Chamber
Early Neolithic · Severn-Cotswold
Portal dolmen near Cardiff with 35-tonne capstone on three orthostats, remnant of Severn-Cotswold long cairn.
🇬🇧 United Kingdom · Megalith
Knowe of Yarso Chambered Cairn Sector 150
Late Neolithic (3200-2500 BCE) · Orcadian Neolithic
Knowe of Yarso Chambered Cairn Sector 150 in Orkney, Scotland, United Kingdom is a Late Neolithic (3200-2500 BCE) megalithic.
🇬🇧 United Kingdom · Megalith
Knowe of Yarso Chambered Cairn Sector 993
Late Neolithic (3200-2500 BCE) · Orcadian Neolithic
Knowe of Yarso Chambered Cairn Sector 993 in Orkney, Scotland, United Kingdom is a Late Neolithic (3200-2500 BCE) megalithic.
🇬🇧 United Kingdom · Megalith
Knowe of Yarso Chambered Cairn Sector 83
Late Neolithic (3200-2500 BCE) · Orcadian Neolithic
Knowe of Yarso Chambered Cairn Sector 83 in Orkney, Scotland, United Kingdom is a Late Neolithic (3200-2500 BCE) megalithic.
🇬🇧 United Kingdom · Megalith
Bant's Carn Entrance Grave — St Mary's
Early Bronze Age · Scillonian Bronze Age
Bant's Carn Entrance Grave — St Mary's in Isles of Scilly, England, United Kingdom is a Early Bronze Age megalithic attributed to Scillonian Bronze Age.
🇬🇧 United Kingdom · Ancient village
Grimspound
Late Bronze Age (1300–600 BCE) · Dartmoor Bronze Age (Trevisker)
Late Bronze Age enclosed settlement (c. 1300–600 BCE) in a valley between Hamel Down and Hookney Tor, comprising a 150 m diameter stone wall enclosing 24 hut circles (2–5 m diameter) with paved…