Case file · Sacred site
Grave Creek Mound
One of the largest conical burial mounds in North America, built by the Adena culture roughly 250–150 BC in what is now Moundsville.
250 BCE · 39.92, -80.74 · status: official
The account
About 19 metres high, it was dug into in 1838, when two log tombs with skeletons and ornaments were found. The town and its prison take their name from it.