Claiming inspiration from “old-school American values mixed with a little punk-rock idealism,” Mike Brodie, aka The Polaroid Kidd, hopped trains across the U.S. for seven years, documenting his friends, lovers, and travels with a Polaroid and a 35-millimeter camera and amassing a critically acclaimed body of images. Like a 21st-century Jack Kerouac, replacing pen with pictures, Brodie rode the railways with a motley crew. In 2004, two years into his journeying, he acquired a camera and began photographing this gritty youth subculture. His intimate portraits, saturated with color and often set against moving backgrounds, capture the reality of this life in raw detail—its dirt-encrusted bodies, sickness and exhilaration, dangers and comforts. After traveling more than 50,000 miles through 46 states, Brodie has since become an itinerant mechanic. He says he has abandoned photography—at …