In Nevada, petroglyphs (rock etchings) have been discovered that may date back over years ago. The petroglyphs were etched into the limestone rock there by Native Americans, but exactly who created the abstract drawings is so far unknown.
This is the oldest rock art in North America. The Winnemucca petroglyph is between to years old!Nevada petroglyphs in Winnemucca Lake range from simple lines to complex shapes resembling plants and could date back to the first peopling of the Americas.
Year Old Neolithic Stone Carving in Northumberland Photograph by B. KERR The image above shows an extraordinary neolithic stone carving dating back approximately years. Located in Ketley Crag, Northumberland (North East England),
Inscribed Stone Found at Neolithic Orkney World Heritage Site - ORKNEY, SCOTLAND—A second inscribed stone has been unearthed at the Ness of Brodgar, where archaeologists discovered a large complex of monumental Neolithic buildings in