The Argo Gold Mine and Mill is a historic site located in Idaho Springs, Colorado. Established in the late 19th century, it played a significant role in the gold mining industry during the Colorado Gold Rush. The mill processed ore from various mines in the area, making it one of the largest gold processing facilities in the state. Today, the Argo Gold Mine and Mill is a popular tourist attraction, offering guided tours that educate visitors about the mining process and the history of gold mining in Colorado. The site features original equipment and artifacts, providing a glimpse into the past for those interested in the state's mining heritage.