Headquartered in the Green Mountains of Vermont, Discovery Map International, Inc., (DMI) has been creating and publishing beautifully illustrated, hand-drawn alternative advertising maps for over 30 years.A Discovery Map® is a colorful, hand-drawn map of the local area distributed free to area visitors at travel information and rest areas as well as business locations. Each map highlights local attractions and things to do, restaurants, accommodations, retail shops, real estate and other services.