Dark, rounded boulders sit along the Snake River in southwest Idaho, and at first they look like leftovers from some old rockslide. Get closer, and you will spot circles, dots, and figures carved into their surfaces by people who lived here thousands of years ago.
A riverside trail and a century-old railroad bridge lead you right through this outdoor gallery. It is one of the few places in Idaho where you can walk among ancient art for the price of a few coins.
Idaho’s Lone Archaeological Park
Only one park in Idaho carries the official label of archaeological park, and it sits right on the Snake River in Canyon County, a short drive south of the farm town of Melba. Celebration Park looks modest at first glance, with a parking area, a few low buildings, and a scatter of dark boulders along the water.
Look closer at those boulders, though, and faint shapes start appearing on their surfaces. Circles, lines, dots, and figures were pecked into the volcanic rock by people who lived along this river thousands of years before anyone drew a county line…