For those searching for history, take a trip to the phenomenal clay castles of the Hoarusib River valley. These geological formations, also known as the "Fairy Circles," rise from the desert landscape, they resembling ancient castles sculpted by nature itself. The Clay Castles are characterized by their distinctive circular shapes, ranging in size from a few meters to several meters in diameter and were formed through a complex combination of erosion, weathering, and the interaction between water and clay-rich soils.