🇬🇧 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.
🇮🇪 Ireland · Earthwork
Corlea Trackway
Iron Age, Late La Tene 148 BCE · Late Iron Age La Tene Ireland
147 BCE Iron Age oak plank highway (3.2 m wide, 1.6 km) across Corlea Bog, largest European timber road built in one year.