Planning a Route 66 trip sans a car? Lonely Planet's USA guide, our most comprehensive guide to the USA, is perfect for exploring both top sights and lesser-known gems. Looking for a guide focused on a specific Route 66 city? Check out the Lonely Planet Chicago guide or the Los Angeles, San Diego & Southern California guide for a comprehensive look at all that these cities have to offer, or Pocket Chicago and Pocket Lose Angeles, handy-sized guides focused on the can't-miss sights for a quick trip.