In 1872, construction workers digging a hole for a fence post near the shores of Lake Winnipesaukee in New England found a lump of clay with an egg shaped artifact inside it, six feet below the ground. Called the ‘Mystery Stone’, it is one of New Hampshire’s more curious and lesser known relics. Amateur and professional archaeologists have speculated about the origin of this strange artifact for well over one hundred years with no clear answers emerging.
The rock type is not familiar to New Hampshire and there are no other known objects bearing similar markings or design in the United States. It may very well have been the work of someone living in a faraway place and time, as nothing like its fine workmanship has been produced by the Native American tribes living locally in the area.
Panoramic view of Lake Winnipesaukee, New Hampshire. (Melikamp/CC BY SA 3.0)