🇬🇧 United Kingdom · Earthwork
Fiskerton Causeway
Iron Age, Early to Middle La Tene 456-395 BCE · Iron Age La Tene Lincolnshire
456/395 BCE Iron Age timber causeway (175 m) at Fiskerton, Witham Valley with 11 votive swords and logboats.
🇬🇧 United Kingdom · Archaeological wonder
Mousa South Broch & Iron Age Village Extension (South Mousa Shore)
Middle to Late Iron Age (Atlantic Iron Age) · Shetland Atlantic Iron Age builders
South Mousa second broch and wheelhouse village 1.2 km south of famous Mousa Broch: prototype 500 BCE.
🇬🇧 United Kingdom · Ancient village
Howe Broch
Neolithic 3500 BCE to Norse 1200 CE with broch Iron Age focus · Neolithic Grooved Ware to Iron Age broch to Norse
Stratified broch and settlement mound (3500 BCE - Norse) at Howe, Stromness, Orkney - 7-m type-section for Atlantic Iron Age.
🇬🇧 United Kingdom · Hydraulic works
Shiant Isles Iron Age Vitrified Fort Cistern (Garbh Eilean Summit)
Middle Iron Age Atlantic (vitrified forte) · Minch Hebridean islanders
Summit vitrified dun (28×18 m) with plastered rock-cut rain cistern (5.5 m³) on Garbh Eilean, Shiants.
🇬🇧 United Kingdom · Ancient village
Glastonbury Lake Village – Iron Age Crannog Cluster
Iron Age, British Middle–Late (Hod Hill + Glastonbury ware) · Iron Age Somerset wetland Britons (Durotriges–Dumnonii border)
250 BCE–50 BCE Iron Age peat islands—90 wattle houses on Somerset artificial crannogs.
🇬🇧 United Kingdom · Ancient village
Jarlshof Broch & Iron Age–Norse Settlement Complex (Sumburgh, Shetland)
Late Neolithic to Late Norse (2700 BCE–14th c CE) · Neolithic → Bronze Age → Iron Age Pictish → Norse (Scalloway Jarlshof horizon)
4,000-yr Shetland settlement (2700 BCE–14th c) — 10-m broch with 4 wheelhouses overlain by Norse longhouses at Sumburgh.
🇬🇧 United Kingdom · Earthwork
Carn Ingli Hillfort
Iron Age (c.500 BCE–100 CE) with Bronze Age cairn · Iron Age Welsh (Demetae) / Early Medieval
Rocky tor-top hillfort (343 m) above Newport — stone-rampart contour fort with hut circles on Mynydd Carningli.
🇬🇧 United Kingdom · Ancient village
Meare Lake Village – Somerset Iron Age Fen Cluster (Pool)
Iron Age British Late (Glastonbury tradition) · Somerset Levels Iron Age Britons
300–50 BCE fen twin villages—28 Iron Age houses on Meare Pool artificial islets.
🇬🇧 United Kingdom · Ancient village
Meare Lake Village East (Somerset Levels east settlement)
Iron Age (Middle–Late Iron Age, 350–50 BCE) · British Iron Age (Meare–Glastonbury ware, southwest Iron Age)
Iron Age (350–50 BCE) Meare East lake village — 400 x 90 m east island with 20 brushwood roundhouses.
🇬🇧 United Kingdom · Ancient village
Cladh Hallan Bronze–Iron Age Village & Mummy Excarnation Site (South Uist)
Early Bronze to Middle Iron Age (2200 BCE–200 CE) · Hebridean Bronze–Iron (Machair Beaker to Atlantic wheelhouse)
13-machair roundhouses (2200 BCE–200 CE) with 4 curated composite mummies (1100–800 BCE) — Europe's only mummy curation.
🇬🇧 United Kingdom · Ancient village
Goldcliff Severn Estuary Iron Age Trackways – Magor Pill
Neolithic to Iron Age (peak Iron Age) · Bronze Age to Iron Age Severn communities
Iron Age corduroy trackways (1000–100 BCE) on Goldcliff intertidal peat shelf — 30-m brushwood causeways.
🇬🇧 United Kingdom · Megalith
Crosskirk Broch
Early Iron Age to Norse (c.600 BCE–900 CE) · Atlantic Iron Age / Norse
Eroded Caithness cliff broch with early fort, broch tower and Norse layers; half lost to sea after 1960s excavation.
🇬🇧 United Kingdom · Megalith
Mousa Broch
Iron Age (c.300–100 BCE) · Atlantic Iron Age (Shetland)
World's tallest surviving broch (13.3 m), perfectly preserved Iron Age tower on uninhabited Mousa island.
🇬🇧 United Kingdom · Megalith
Mine Howe
Iron Age (c.100 BCE–400 CE) · Atlantic Iron Age (Orcadian) / possible Roman contact
Iron Age underground sanctuary in Tankerness with 29-step stair descending 7.5 m to a corbelled chamber.
🇬🇧 United Kingdom · Ancient village
Old Scatness Broch and Iron Age Village
Iron Age to Medieval (c.400 BCE–1400 CE) · Atlantic Iron Age / Pictish / Norse
Iron Age broch village opposite Jarlshof with Pictish and Viking layers; one of Scotland's largest modern excavations.
🇬🇧 United Kingdom · Megalith
Midhowe Broch
Iron Age (c.200 BCE–200 CE) · Atlantic Iron Age (Orcadian)
Finely preserved Rousay broch on Eynhallow Sound with intramural galleries and adjacent chambered cairn.
🇬🇧 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 · Archaeological wonder
Oakbank Crannog, Loch Tay
Iron Age (~800 BCE – 100 CE; Oakbank 460 BCE – 200 BCE) · Atlantic Scottish Iron Age (Caledonian)
One of 18 Iron Age timber islets in Loch Tay, Oakbank comprises a 30-m oak pile ring with horizontal alder floors still preserved 2 m deep in cold waterlogged peat.
🇬🇧 United Kingdom · Megalith
Jarlshof Prehistoric and Norse Settlement
Multi-period: Neolithic to Medieval (c.2500 BCE–1600 CE) · Neolithic → Bronze Age → Iron Age (Broch) → Pictish → Norse
4,000-year layered settlement mound at Shetland's southern tip with broch, wheelhouses, Viking longhouse and medieval farm.