Argo Gold Mill & Tunnel

Argo Gold Mill & Tunnel is off I-70 exit 241A to 2350 Riverside Dr. Self-guiding 45-minute tours begin at the Argo Tunnel, continue through the gold- and silver-processing levels of this late 19th-century gold mill and conclude in the Argo Mining Artifact Museum. The museum displays ore and mineral samples, equipment and early photographs.

Visitors can pan for gold or gemstones.