Hannibal, Missouri, is a small city located along the Mississippi River in the northeastern part of the state. It is known for its rich history and charming downtown area, which features many historic buildings and attractions. The city has a population of around 17,000 residents and serves as a regional hub for commerce and tourism. One of the most famous aspects of Hannibal is its connection to the author Mark Twain, who grew up there and based many of his stories on the town. Visitors can explore the Mark Twain Boyhood Home and Museum, which showcases the life and works of this iconic American writer.