Ready to start planning your next road trip? Your U.S. road trip itinerary can include stops from the sublime to the ridiculous!  Think abandoned towns, industrial wonders, historic homes, mom and pop restaurants known only to locals, secret trails leading to magnificent overlooks and, best of all, the REAL America!   HOW TO FIND THE UNUSUAL WHILE ON A ROAD TRIP is easy! Just use some invaluable websites. Double click each blue link in this post to be taken to that particular website.   (We encourage you to check out Backroad Planet, which supplied a portion of the content featured here.  By the way, Backroad Planet is one of our favorite travel blogs. It is superb.)  …