Photo: Tim Kiser (Malepheasant), CC BY-SA 2.5 via Wikimedia Commons
Archeology Complex, Jefferson Ave. One of the largest and most famous conical burial mounds built by the Adena Indians, built between 250 to 150 BC. It is measured 69 feet high and 295 feet in diameter at its base.
The Grave Creek Mound in the Ohio River Valley in West Virginia is one of the largest conical-type burial mounds in the United States, now standing 62 feet (19 m) high and 240 feet (73 m) in diameter. The builders of the site, members of the Adena culture, moved more than 60,000 tons of dirt to create it about 250–150 BC.
© OpenStreetMap contributors
Explains aspects of Adena Native American culture.
Moundsville State Penitentiary
Completed in 1876 and operating as a maximum-security prison until 1995, the penitentiary has a violent and bloody history, as well as reportedly one of the highest levels of paranormal activity in the United States.