The Blennerhassett Mansion is a historic house located on Blennerhassett Island in the Ohio River near Parkersburg, West Virginia. Built in the early 1800s by Harman Blennerhassett, the mansion reflects the architectural style of the period and serves as a reminder of the island's rich history. Today, the mansion is a popular tourist attraction, accessible by ferry. Visitors can explore the beautifully restored rooms and learn about the life of Blennerhassett and his connections to notable figures, including Aaron Burr. The site also offers scenic views and recreational activities on the island.