The Idaho Springs Historic District is located in Idaho Springs, Colorado, a small town known for its rich mining history. Established during the Colorado Gold Rush in the mid-1800s, the district features well-preserved buildings that reflect the architectural styles of that era, including Victorian and Romanesque designs. Visitors can explore various historic sites, such as the Argo Gold Mine and Mill and the Idaho Springs City Hall. The district is also home to several shops, restaurants, and natural hot springs, making it a popular destination for tourists interested in history and outdoor activities.