Four-lane Interstates are a fine choice when you need to get from Point A to Point B pronto, but for an unforgettable road trip, try taking a ramble down one of America's older highways. Sure, there are stoplights, stop signs, and lower speed limits—but that means you'll need to slow down enough to actually see the areas you're driving through. Hopefully you'll even get out of your car to experience some of the quirky local cultures, unique culinary traditions, and natural wonders that make this such a great country. Besides, Jack Kerouac didn't take the Interstate. OK, maybe On the Road predates the U.S. Interstate Highway System, but that's beside the point. Kerouac still wouldn't have ridden our modern fast food outlet- and chain motel-crammed (More)