Route 66, in its heyday, stretched for over 2,200 miles from Chicago to Los Angeles. But sometimes, the road grew desolate, and maybe no stretch was more isolated than the section found in northeastern Arizona within Petrified Forest National Park. At the site, a small pullout with a rusted 1932 Studebaker recognizes Petrified Forest as the only national park to contain a stretch of Route 66. Route 66, including this stretch, was commissioned in 1926, and formed from the National Old Trails Road. It connected the U.S. midwest and southwest,…