The Douglas Historic District is a designated area in Douglas, Arizona, recognized for its rich cultural and architectural heritage. Established in the late 19th century, the district features a variety of historic buildings that reflect the town's development during the mining boom. Visitors can explore notable structures, including the Gadsden Hotel and several charming homes, showcasing styles such as Mission Revival and Spanish Colonial. The district serves as a reminder of the area's history and offers a glimpse into the past for both residents and tourists alike.