(DC) (National Park Service) Calling all dog owners! If you enjoy adventuring in Rock Creek Park with your furry friend, consider coming to one of our B.A.R.K. Ranger events! This is a national initiative to encourage responsible recreation and a positive experience for you, your dog, and all visitors to the park.  Learn about the principles of being a B.A.R.K. Ranger and earn a B.A.R.K. Ranger badge!