(VA) (NOVA Parks) Letterboxing is a family-friendly, scavenger hunt-style adventure that takes you to interesting locations around the world, solving clues and searching for hidden treasures! Participants will learn where to find clues, how to decipher them, and receive hints on what to look for. Then, it’s off on an adventure around the park to find the boxes hidden here! Participants will also have the chance to carve their own personal stamp and receive an introductory logbook. Ages 7 and up.