🇬🇧 United Kingdom · Megalith
Wideford Hill Chambered Cairn
Early Neolithic · Orkney-Cromarty Neolithic
Triple-walled Orkney-Cromarty cairn near Kirkwall with 4.5 m passage to tripartite corbelled chamber.
🇬🇧 United Kingdom · Megalith
Taversoe Tuick Chambered Cairn
Late Neolithic · Grooved Ware / Maeshowe tradition
Rousay's unique two-storey cairn — lower and upper chambers stacked in 15 m round mound.
🇬🇧 United Kingdom · Megalith
Unstan Chambered Cairn
Early Neolithic · Unstan Ware Neolithic
Eponymous stalled cairn at Stenness — 8.4 m five-compartment chamber where Unstan Ware was first identified.
🇬🇧 United Kingdom · Megalith
Cuween Hill Chambered Cairn
Late Neolithic · Grooved Ware Neolithic (Maeshowe group)
Maeshowe-type cairn on hill above Firth with 5 m crawl passage to chamber containing human and dog skulls.
🇬🇧 United Kingdom · Megalith
Barclodiad y Gawres
Late Neolithic · Irish Sea passage grave tradition
Anglesey cruciform passage grave with spiral-decorated stones and 27 m cairn on coastal headland.
🇬🇧 United Kingdom · Megalith
Bryn Celli Ddu
Late Neolithic to Early Bronze Age · Irish Sea Passage Tomb tradition
Anglesey passage tomb with 8.4 m passage aligned to midsummer sunrise and decorated spiral stone.