One of the coolest cross-country trips a traveler can take is along I-40. The third longest interstate in the United States, the route runs all the way from Barstow, California to Wilmington, North Carolina (that's a 36-hour drive from end-to-end, in case you're wondering). Yet, it’s not the length that makes I-40 appealing for travelers. Rather, it’s the amazing and unique sights that decorate this stretch of highway.
Arizona's Painted Desert lives up to its name, but it's only one small part of an ochre stretch of the Southwest—one of our favorite drives in the entire country. On a cross-country trip, there's a leisurely way from Las Vegas to the Grand Canyon's South Rim that passes by the Hoover Dam, Lake Mead, Lake Powell, Zion National Park, Antelope Canyon, Navajo Nation, and (finally) the Painted Desert