"The Mature Traveler's Book of Deals" by Gene and Adele Malott (GEM Publishing Group) can tell you where you can travel for free. Of course, it may involve being a volunteer at a state park in Georgia or being a tour group leader. But this book has great ideas on how to travel for nothing or for a minimal price, as well as information about cut-rate auto rentals, cruise discounts, other money-savers and, more importantly, tips on how to find them.