Warren County, Illinois
Alexis Opera House (Building)
[Map] 101--105 N. Main St., Alexis, IllinoisAlso known as: McKnight Hardware Store
Carr House (Hotel)
[Map] 416 E. Broadway, Monmouth, IllinoisAlso known as: The Carr Mansion Guest House
Sarah Martin House (House)
[Map] 310 E. Broadway, Monmouth, IllinoisAlso known as: George Nelson Morris House