At Iowa Hill, the exhibit is the hillside itself. In the 1800s, miners aimed pressurized water through pipes and nozzles at the slope, washing gold free and leaving scars you can still read today. A 1.5-mile interpretive loop climbs past the leftover hardware: hydraulic piping and nozzles, a coyote-hole headframe, a hand-made boulder crane, a blacksmith shop, a guard house and paydirt-processing gear.

The centerpiece is a restored miners' boarding house dating to about 1868, furnished to show how working miners actually lived — a restoration led by the Breckenridge Heritage Alliance. The Mining History Association has called Iowa Hill the best hydraulic mining exhibit in the world.

Interpretive signs make the loop free and fully self-guided, dawn to dusk year-round (expect snow cover in winter). In summer, Breckenridge History leads guided 'Hike Home with a Miner' tours for anyone who wants the stories told aloud.