Letterboxing

Bug & I have discovered Letterboxing. (http://letterboxing.org/) Basically, you follow clues to a hidden box. Inside is a book and a stamp. You have your own book and stamp. You stamp their book with your stamp/your book with their stamp. Bug even made her own stamp. We'll work on a better one someday. She was so excited, as you can see here:
But quite serious when it came time to stamp and sign the book.