You could hang pictures of pictures from your trip on the location. Not sure how it would look on a neutral-colored wall, but the idea is great. You could probably spray paint the cork and get a cool effect.
I love maps! Groovy idea: In the breakfast nook, inexpensive framed maps creatively chronicle the family’s travels. Read more: Beach House Decorating Ideas - Beach House Decor - Country Living collect the maps from the tourist office of the cities visited