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Top 10

North America’s Oldest Petroglyphs

Winnemucca Lake, Nevada


Tuesday, December 10, 2013



Paleoindians are often thought of as pioneering explorers or expert mammoth hunters. But new dating of geometric rock carvings in Nevada’s Winnemucca Lake basin now suggests they were also accomplished artists.


A team led by University of Colorado paleoclimatologist Larry Benson was able to date the carbonate crust that covers the petroglyphs. Benson concluded that the artwork must have been created more than 10,000 years ago, before the carvings were submerged beneath the lake’s higher waters and covered in carbonate. “We knew they were old,” he says. “We just didn’t know they were that old.” According to Benson, it’s possible that paleoartists made the carvings as early as 15,000 years ago.


Just what those artists meant to depict is unclear. Some of the petroglyphs may represent clouds and lightning, others are diamond- shaped, and there are some patterns that might represent trees. Whatever the inspiration for the carvings, the Pyramid Lake Paiute Tribe, which owns the Winnemucca Lake basin, considers them sacred to this day. 

Remapping the Khmer Empire

Siem Reap Province, Cambodia


Tuesday, December 10, 2013



Airborne laser sensing peered beneath vast stretches of centuries-old tree cover to reshape archaeologists’ understanding of the ancient Angkor region, once the epicenter of the Khmer Empire. Previously, scholars believed Khmer cities and temple complexes were enclosed spaces with walls or moats surrounding gridded “downtowns.”


Using lidar, a team led by Damian Evans, a postdoctoral fellow at the University of Sydney, showed that these grids extended beyond the fortifications, creating much bigger urban landscapes. For instance, the mapping project turned up evidence of urbanization on both sides of Angkor Wat’s famed moat. Meanwhile, the twelfth-century A.D. Khmer capital Angkor Thom has now quadrupled in size. Imaging showed that its city-block structure extended far beyond the three-and-a-half square miles contained within its walls. It actually encompass more than 13 square miles of formally planned urban space, including within it Angkor Wat, which predated Angkor Thom by 100 years and sits a mile south of the city’s center.


The findings lend support to the theory that Angkor fell because it grew beyond its means. “What you have is an urban structure that is analogous to the giant, low-density megacities that have developed in the twentieth century with the advent of the car,” Evans explains, “a dense urban core surrounded by a vast lower-density periphery, or ‘sprawl.’”

World’s Oldest Port

Wadi el-Jarf, Egypt


Tuesday, December 10, 2013



While excavating an underground storage system cut into bedrock at Wadi el-Jarf, nearly 110 miles south of Suez and close to the Red Sea, archaeologists discovered fragments of boats, ropes, and pottery. The artifacts date to the reign of the 4th Dynasty King Khufu, or Cheops, builder of the Great Pyramid of Giza, who ruled from 2551 to 2528 B.C.


Wadi-el-Jarf-port-Top-10Beginning on the shore and continuing underwater, an assembly of large blocks and limestone slabs inscribed with Cheops’ name form the remains of an L-shaped jetty. Limestone anchors from numerous large ships testify to voyages launched to export copper and stones from the Sinai Peninsula to the Nile Valley. “Ancient inland harbors are known on riversides, but the jetty of Wadi el-Jarf predates by more than 1,000 years any other known structure of this kind,” says expedition leader Pierre Tallet, a University of Paris-Sorbonne Egyptologist, about the 4,500-year-old harbor.


Tallet and colleagues also found 10 very well-preserved papyri among hundreds of fragments. The documents, which are proving difficult to reassemble, are the oldest papyri ever found in Egypt. One fragment is a diary written by Merrer, an Old Kingdom official involved in the building of the Great Pyramid. Though actual details of the pyramid’s construction are scarce, Tallet says, "the journal provides a precise account for every working day."

Colonial Cannibalism

Jamestown, Virginia


Tuesday, December 10, 2013

Jamestown-cannibalism-Top-10Six different accounts from Jamestown, the first permanent English colony in the New World, describe episodes of cannibalism among colonists. Former Jamestown president George Percy wrote in 1625 that, during the brutal 1609–1610 winter that caused mass starvation among 300 settlers, “notheinge was Spared to mainteyne Lyfe … as to digge upp deade corpes outt of graves and to eate them.”


William Kelso, an archaeologist with Preservation Virginia who has excavated Jamestown since 1994, doubted Percy’s horrific descriptions—until this spring, when his team found the butchered skull of a 14-year-old girl buried in a trash pit along with the remains of horses and dogs, other sources of food for the desperate colonists. Jane, as the girl is now known, was originally thought to have been an upper-class settler, but recent analysis found her skeleton has low lead levels. The rich at Jamestown ate from pewter dishes, essentially giving themselves lead poisoning.


Jane’s remains are the first physical evidence of cannibalism at any American colony. “There’s no doubt cannibalism happened,” says Kelso. “It says how close to failure this colony came.”

Critter Diggers

Stolpe, Germany; Cumbria, England; San Diego, California


Tuesday, December 10, 2013



Fieldwork can be uncomfortable for long-legged humans, but burrowing animals are built for digging. Furry creatures have provided invaluable assists at two different European sites. In northern Germany, a badger discovered nine remarkable 900-year-old burials, including that of a richly outfitted warrior. “There was no knowledge of these graves and no reason to investigate without the badger’s assistance,” says archaeologist Felix Biermann, who continues to dig the site. In Cumbria, England, burrowing moles have pushed up ancient objects at second-century Whitley Castle, uncovering invaluable evidence of Roman life at the fort. There have only been two previous digs, and Whitley Castle is now a protected site that human archaeologists can never explore. And not to be outdone by their terrestrial counterparts, specially trained mine-hunting dolphins discovered a nineteenth-century Howell torpedo off the coast of San Diego. Only 50 Howells were made, and only two had previously been found.