🇬🇧 United Kingdom · Megalith
The Sanctuary (Overton Hill)
Late Neolithic – Early Bronze Age · Windmill Hill / Wessex Neolithic
Timber-then-stone double circles (40 m outer) at SE end of West Kennet Avenue — Avebury's mortuary terminus.
🇬🇧 United Kingdom · Earthwork
Stonehenge Cursus
Early Neolithic 3800–3600 BCE · Early Neolithic Britons
2.7-km Neolithic processional enclosure predating Stonehenge by 500 years.
🇬🇧 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
West Kennet Long Barrow
Early Neolithic · Cotswold-Severn Neolithic
100 m Early Neolithic chambered long barrow near Avebury with five sarsen chambers under chalk mound.