The trail riders of Thomas Hart Benton’s painting are miniscule in relation to the sweeping mountainous landscape they traverse. His dazzling aqua lake matches the hue of the cloud-swept sky, while the snowy peaks and patches evoke the chill in the air. Benton was a regionalist painter, and a proud midwesterner—and a fan of the Rockies, which he visited on horseback in 1964. Take a ride with him via this 1,000-piece jigsaw puzzle.