🇬🇧 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
Tullochs of Assery Chambered Cairns
Early Neolithic (c.3800–3300 BCE) · Orkney-Cromarty Neolithic (Caithness)
Paired Loch Calder chambered cairns (round and long horned) rescued before reservoir flooding, with classic Orkney-Cromarty chambers.
🇬🇧 United Kingdom · Megalith
Grey Cairns of Camster
Neolithic (c.3500–3000 BCE) · Orkney-Cromarty Neolithic (Caithness)
Flow Country pair of vast Orkney-Cromarty cairns — 60 m long horned cairn with two chambers and intact round cairn.