🇸🇦 Saudi Arabia · Earthwork
Harraat Khaybar – Works of the Old Men
Neolithic to Bronze Age · Arabian Neolithic pastoralists
15,000 stone structures on black lava—gates, kites and pendants of Neolithic Arabia (7000–5000 BCE).
🇸🇦 Saudi Arabia · Earthwork
Mustatils of Northwest Arabia
Late Neolithic (~5500–3500 BCE) · Neolithic Arabian pastoralist
More than 1,600 elongated rectangular courtyard monuments – Arabic mustatil – stitched across 200,000 km² of Saudi desert between the Nefud and Red Sea, rendered visible only by satellite.