🇵🇹 Portugal · Megalith
Anta Grande do Zambujeiro
Late Neolithic to Chalcolithic · Alentejo Megalithic / Évora group
Iberia's largest dolmen near Évora — seven 8 m pillars with 12 m corridor, 4000-3500 BCE.
🇬🇧 United Kingdom · Megalith
Kit's Coty House
Early Neolithic · Medway Early Neolithic
Remnant chamber of Medway long barrow above River Medway — three sarsens supporting 3.5 m capstone.
🇬🇧 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.