Great idea for traveling or road trips. Get a big map of the US, and take a picture when you visit a new state. Cut the picture out in the shape of the state, and glue to the map! I'm definitely doing this!
If you were to use drift wood this would be awesome for a beach reception style thing. Very natural, but striking. Drill holes in wood, place tea lights. Beautiful outdoor table center piece for the picnic table---AROUND THE GARDEN POOL