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While many people mark 1776 as the beginning of US history, this notion is far from accurate. The history of North America spans thousands of years. Who were its early inhabitants? What artifacts did they leave behind? This list delves into some of the most fascinating and enigmatic archaeological finds discovered across the United States.
10. Lake Winnipesaukee Enigmatic Stone
In 1872, a mysterious stone was found buried near Lake Winnipesaukee in New Hampshire. This dark, smooth, egg-shaped object stands around 10 centimeters (4 inches) tall and 6.4 centimeters (2.5 inches) wide. Its surface features a variety of carved symbols and images, such as a face, ears of corn, and a teepee, along with other enigmatic designs.
The discovery of the stone has raised many questions: Who created it, and what was its purpose? One hypothesis suggests that it was crafted by Native Americans to mark a peace treaty between two tribes. Other theories propose that the stone might have Celtic or Inuit origins.
The mystery deepened when researchers examined two holes in the stone—one at the top and one at the bottom. These holes are drilled with an exceptional level of precision, which seems inconsistent with the capabilities of premodern tools. This has led some to suspect that the stone may be a sophisticated hoax, while others believe it could be a “thunderstone,” formed by supernatural forces.
9. Indian Cave Petroglyphs
In Harrison County, West Virginia, a small cave was discovered in the 19th century. Inside, there are remarkable prehistoric petroglyphs depicting various animals, such as rattlesnakes and fish. Indian Cave stands out for its extraordinary preservation, with archaeologists describing it as “virtually unchanged.” The petroglyphs are notable for their distinctive use of red, visible on many of the figures.
Archaeologists have concluded that these petroglyphs were created by early Native Americans, though the specific culture remains unidentified. Pottery found in the cave indicates that it was inhabited between AD 500 and 1675. As with many other petroglyphs, the reasons for their creation remain a mystery.
8. America’s Stonehenge
Located just outside of Salem, New Hampshire, the ruins of what some believe to be an ancient settlement can be found. Now known as America’s Stonehenge, the site consists of numerous man-made stone chambers, walls, and various other rock formations.
The site has sparked ongoing heated debates among historians and archaeologists regarding its origins and purpose. The leading theory suggests that it was constructed by Native Americans around 2,500 years ago and served as a religious ceremonial site for centuries. Another widely discussed theory proposes that Irish monks built and used the structures around AD 1000.
7. Poverty Point
In Louisiana, an extensive network of earthworks known as Poverty Point exists. This complex features a series of mounds and ridges, believed to have been constructed by Native Americans between 1700 and 1100 BC. What sets Poverty Point apart is that it is the only known example of large-scale construction carried out by a hunter-gatherer society.
The exact purpose of Poverty Point remains unclear. Some archaeologists believe it was used for periodic ceremonial gatherings, while others argue that it may have been a permanent settlement. Additionally, the culture responsible for its construction remains unidentified, as only a few artifacts have been found to link it to any specific people.
6. The Upton Chamber
Scattered across the New England countryside are hundreds of enigmatic stone chambers and structures. Theories abound regarding their creators, with suggestions ranging from Native Americans and early settlers to Norsemen and Irish Monks. One of the most remarkable of these man-made chambers is located in Upton, Massachusetts. The Upton Chamber, embedded in a hillside, features a long passageway leading to a beehive-shaped dome.
The chamber reveals a deep understanding of stone construction by its creators and is also aligned with astronomical events. On the summer solstice, the entrance to the chamber aligns perfectly with the Sun, fully illuminating the interior dome. This alignment has led some experts to speculate that the chamber was not constructed by settlers but could be the work of an ancient civilization.
Some researchers believe the chamber may have been built by Irish monks. They argue that the beehive structure and the stonework bear a striking resemblance to similar structures found in Ireland, dating back to the eighth century.
5. Great Serpent Mound
The Great Serpent Mound, located in Ohio, is an ancient earthwork in the shape of a giant snake. It is classified as an effigy mound, a type of mound created in the form of an animal. Despite extensive study, archaeologists have yet to determine which culture created it, its exact construction date, or its intended purpose. Radiocarbon dating suggests the mound may have been constructed around AD 1000, while other studies propose it could be as much as 2,000 years old.
Various theories attempt to explain the purpose of the effigy. Some scholars believe it was used for religious ceremonies, possibly involving sacrificial offerings. Others suggest that it may have functioned as some form of calendar due to its astrological alignments.
4. Petroglyphs Of Winnemucca Lake
Archaeologists believe they have uncovered the oldest petroglyphs in North America near the arid Winnemucca Lake in Nevada. These petroglyphs are carved into large boulders, each varying in design. Some display circular patterns, while others feature diamond-like shapes. What makes these petroglyphs especially noteworthy is twofold: first, they are far more numerous than any others found across the country, and second, the markings are at least 10,000 years old.
Numerous questions persist about the origins and significance of these designs. While it is clear they were created by early Native Americans, the specific identity of these people remains unclear. Additionally, the purpose of these artistic creations and the meanings behind the glyphs, if any, continue to elude researchers.
3. Dighton Rock
Dighton Rock is a massive 40-ton boulder that was discovered in the Taunton River in Berkley, Massachusetts, in 1690. Its intrigue comes from the enigmatic markings it bears. These markings do not seem to align with any known writing systems, and the origin of the rock has confounded researchers for years. Numerous theories have been proposed about who might have created the mysterious inscriptions.
One widely discussed theory is that the markings are Norse in origin, suggesting that the rock was a depiction of a Viking expedition to the area around AD 1000. Another theory posits that the markings were made by Native Americans. The location of the rock was home to a large native population, and similar symbols have been found among various indigenous tribes in the Northeast. Some alternative theories propose that the Phoenicians, Portuguese, or even the Chinese could have been responsible for the markings.
2. The Maine Penny
In 1957, during the excavation of a Native American settlement in Maine, archaeologists made a remarkable discovery. Buried within the earth was a small coin with an unclear origin. Initially, it was thought to be a 12th-century British penny, but after further analysis, English experts later confirmed it to be Norse. Scholars at the University of Oslo concluded that the coin was likely minted between 1065 and 1080, making it the only pre-Columbian Norse artifact ever found in the United States.
How, then, did a Norse coin nearly a millennium old find its way to the coast of Maine? Some theorists argue that the coin provides evidence of interaction between early Norse settlements in Newfoundland and Native American tribes on the mainland. If proven, this could significantly alter the timeline of first contact between the Old and New Worlds.
1. Cahokia
Cahokia once stood as the largest city in pre-Columbian North America, home to an estimated 15,000 inhabitants. Situated in the fertile Mississippi Valley, near present-day St. Louis, the city thrived from around AD 700 to 1300. Evidence suggests that Cahokia was an advanced society with a structured urban layout, a complex culture, and a ruling elite. The people of Cahokia practiced agriculture, engaged in warfare with neighboring tribes, and reportedly even performed human sacrifices.
Then, just as suddenly as it had flourished, the city disappeared without a trace. The cause of its decline remains uncertain, with historians proposing various theories, including deforestation, environmental changes, disease, and the threat of invasion as possible contributing factors.
