Göbekli Tepe, an astonishing monument http://ngm.nationalgeographic.com/2011/06/gobekli-tepe/mann-text
Ok, I hate how the article doesn't explain the dating system they used... but I found it on Wikipedia to make this more credible. They used radiocarbon dating and all the many samples they took seemed to match up, and be accurate. Well, I can believe in its authenticity now... but I still have trouble believing that the site could predate all civilization! It opens up a whole new exciting realm of possibilities, like proto civilizations around the world and, perhaps even earlier civilizations that were wiped out thousands of years before the current spark of civilization became. I guess it's just natural for humans to gather, congregate and build. Like beavers, but with a greater brain capacity.