A Memorable Road Trip on Interstate 40, Part 2

One of the most inspiring road trips Laura Martone ever embarked on was the RV excursion that she and her husband, Dan, once took on Interstate 40 (I-40), between Nashville, Tennessee, and Williams, Arizona. Here are five attractions they encountered on their journey.

Fascinating Underworlds

If you’d rather not battle the summertime crowds at Yosemite or the Grand Canyon, remember that the National Park Service protects 391 units throughout the United States. To escape the heat, Laura Martone prefers delving into an underground cave, where the temperature is constantly cool.