
QUICK FACTS
Where is it? Mount Arkanu, Libya [22.267325754, 24.7226055004]
What's in the photo? A massif of concentric rocky rings in the middle of the Sahara
Who took the photo? An unnamed astronaut on board the International Space Station
When was it taken? Sept. 13, 2025
This intriguing astronaut photo shows a series of rocky rings and their distinctive "hat" towering above a dune sea in the Sahara. The concentric, shadow-filled walls are home to ancient artworks and, occasionally, herds of cattle.