Circles of elaborately carved stones from about 9,500BC predate even agriculture

As a child, Klaus Schmidt used to grub around in caves in his native Germany in the hope of finding prehistoric paintings. Thirty years later, a member of the German Archaeological Institute, he found something infinitely more important: a temple complex almost twice as old as anything comparable on the planet.

"This place is a supernova," said Schmidt, standing under a lone tree on a windswept hilltop 35 miles north of Turkey's border with Syria. "Within a minute of first seeing it I knew I had two choices: go away and tell nobody, or spend the rest of my life working here.
www dot guardian dot co dot uk/science/2008/apr/23/archaeology.turkey
[you know how to access that ^^]