To experience the ultimate road trip across America is a dream ... 50-state road trip is easy as long as you look at the map, but I wouldn’t really agree. A perfect US road trip isn’t just ...

Brian Brettschneider first made the 70-degree road trip map in 2015 using daily high and low temperature data to trace the year-long route. "It really took off," Brettschneider told FOX TV Stations.

Originally, the map had just one route ... for what is sure to be the perfect U.S. road trip. Read more: The 5 Most Romantic National Park Lodges In America, According To Couples Make sure ...