Ali Roy and her husband, Griff Schrack, play with their 2-year-old mixed-breed rescue dog, Coco, at the dog park in Iron Mountain City Park on Thursday afternoon. The couple and their dog are about nine months into a RV trip across the country and have visited several national parks, including Yosemite National Park in northern California and Yellowstone National Park in Wyoming, Montana and Idaho. Roy, Schrack and Coco next are headed to Mackinac Island and will return to their home in Philadelphia, Pa., in mid-September. (Brian Christensen/Daily News photos)