Wall built around nothing remains unexplained mystery. While the builders are now identified as Merovingians in 7th century AD, the purpose remains unknown The wall surrounds empty hills with no structure to protect This absence of anything to defend raises questions about the original intent

Ancient walls surround empty hills with no structure to defend. Why build an enormous enclosure around nothing? This puzzle has no answer yet.

Key Facts

  • While the builders are now identified as Merovingians in 7th century AD, the purpose remains unknown
  • The wall surrounds empty hills with no structure to protect
  • This absence of anything to defend raises questions about the original intent
  • The mystery of why the wall was built around nothing remains unsolved

Related site: Mont-Sainte-Odile / Sankt Odilienberg — view location, images, and history on the Ancient Nerds map.