Göbekli Tepe Monument

Göbekli Tepe portal:http://ngm.nationalgeographic.com/2011/06/gobekli-tepe/musi-photography

It's likely no one lived at Göbekli Tepe, a religious sanctuary built by hunter-gatherers. Scientists have excavated less than a tenth of the site—enough to convey the awe it must have inspired 7,000 years before Stonehenge.
Excerpted from: The Birth of Religion