A road trip is as American as a barbecue on the Fourth of July. The open highway. An iPod loaded with tunes. A cooler full of sodas and snacks. Unforgettable conversations about nothing and everything.

The United States possesses a grand variety of road trip-suitable routes, from straight shots across deserts to stomach-churning switchbacks through the mountains. Whatever type of adventure you seek, however much time you have and whatever you want to see, there's a road out there for everyone. Start the slideshow to see our top eight themed U.S. road trips.