15. The Gobekli Tepe Complex
Older than Stonehenge or the Egyptian pyramids, Gobekli Tepe in southeastern Turkey is transforming our understanding of prehistory. Its towering stone pillars, many adorned with intricate animal carvings, indicate a surprisingly sophisticated society long before the rise of farming. The true function of this vast ceremonial site is unknown—was it a temple, a gathering place, or something else entirely? Its builders and their motivations remain among archaeology’s greatest mysteries. Explore more at National Geographic.
