The site at Gobekli Tepe, or "Potbelly Hill," on the Urfa plain in southeastern Turkey is believed by some to be the world's first place of worship. This would upend the conventional thought that religion developed as a byproduct of human settlements. Vincent J. Musi/National Geographic Society/Corbis hide caption

itoggle caption Vincent J. Musi/National Geographic Society/Corbis

A stencil of an early human's hand in an Indonesian cave is estimated to be about 39,000 years old. Kinza Riza/Courtesy of Nature.com hide caption

itoggle caption Kinza Riza/Courtesy of Nature.com

Archaeologists inspect a female figurine inside a recently discovered, fourth-century B.C. tomb, in the town of Amphipolis, northern Greece on Sept. 7. The occupant of the tomb is unknown, but there's speculation that it could be someone who was closely linked to Alexander the Great. Greek Culture Ministry/AP hide caption

itoggle caption Greek Culture Ministry/AP

The youths of Ancient Messene once trained at this Doric stadium, which cost more than $3 million to restore. It's one of the most impressive and popular ancient sites in Greece, in part thanks to an infusion of private funds. Joanna Kakissis/NPR hide caption

itoggle caption Joanna Kakissis/NPR

This young male, buried at a prehistoric site in Central Sudan, probably munched on the roots of a plant called purple nutsedge. Donatella Usai/Centro Studi Sudanesi and Sub-Sahariani hide caption

itoggle caption Donatella Usai/Centro Studi Sudanesi and Sub-Sahariani

The beef rib mummy that the researchers tested came from the tomb of Yuya and Tjuiu (sometimes spelled Tuyu). Seen here is a mask of Tjuiu, made out of gilded cartonnage, that was also found in their tomb. Andreas F. Voegelin/AP/Museum Of Antiquities Basel hide caption

itoggle caption Andreas F. Voegelin/AP/Museum Of Antiquities Basel

Prehistoric Deer Stew? A fragment of pottery found in Neustadt, Germany, is coated in the microscopic remains of crushed mustard seeds and roasted fish and ruminant meat, possibly deer. This shard dates back to about 5,900 years ago. Courtesy of University of York, BioArch hide caption

itoggle caption Courtesy of University of York, BioArch

A skeleton with a cleaved skull and a curved spine entombed under a parking lot is that of Richard III, scientific tests confirmed. University of Leicester/Reuters/Landov hide caption

itoggle caption University of Leicester/Reuters/Landov