The Mullan Road

Historical marker location:

45800 Idaho Highway 3, St. Maries, Idaho

( Marker is at the intersection of State Highway 3 at milepost 96 and State Highway 97, on the right when traveling south on State Highway 3.)

Idaho is home to the Craters of the Moon National Monument, a vast volcanic landscape that covers more than 750,000 acres. The area is so named because it resembles a lunar landscape, and it's a popular destination for hikers, campers, and nature enthusiasts.