Adams County, County administration center in West Union, Ohio, United States.
Adams County is a rural county in southern Ohio with rolling hills, thick forests, and farmland throughout its landscape. The area centers on West Union, the county seat, and includes several small communities spread across the region.
The county was founded in 1797 and named after President John Adams. Its early development was tied to agriculture and the iron ore deposits found in the region.
The Great Serpent Mound, an earthen ridge shaped like a serpent, reflects the engineering skills and astronomical knowledge of indigenous people who built it long ago. Visitors can see the full form from ground level and appreciate the precision of this ancient construction.
West Union is the main town and serves as the center for county services and information. The Great Serpent Mound is well-marked and easy to visit, especially during warmer months when the paths are clear.
The Great Serpent Mound remained a mystery for centuries regarding who built it and why. Modern research suggests it may have marked astronomical events or held spiritual significance for those who created it.
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