I invested in a laminating machine from the office store a few years ago for some craft projects, and really got carried away. I had scads of road maps (available for free from each state's tourism office). I cut these to fit my kitchen drawers, laminated them, and slid them in. They can be wiped free of crumbs and spills, and are fun drawer-liners.
Then I laminated some brochures from our favourite RV parks, and use them as placemats at rest stops. For the motorhome, I laminated one entire map to use as a giant placemat to cover the whole dining table - it can be rolled up, held together with a rubber band and stored away in the RV. And all of these nice things were free, except the cost of the lamination.
By Savannah from The Rocket City
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Here are some creative uses for old maps. I used an old map to cover the top of a badly scratched desk. Laid the map on top and covered with a piece of glass I had cut to order.
You can wall paper a small area with maps or even foreign language newspapers. When I was a kid I just LOVED a hallway of some friends of my parents which was papered in National Geographic maps!