I found these great ideas for memory-keeping on Martha. Leave it to Martha to figure out a classy and fun way to display our sometimes cheesy vacation souvenirs. Some of these ideas are sophisticated enough to display on your mantel, while others are simple enough for kids.
Summer Collection Box
Bottle-Cap Magnets and Thumbtacks
Vacation Memory Jars
Read more at Marthastewart.com: Memorykeeping Projects and Keepsakes – Crafts – Martha Stewart