Yellowstone County:Yellowstone County Government brings services and provides public information to you in a simple, cost efficient manner.Bright N' Beautiful: Dedicated to improving the environment through litter control, recycling education, beautification, and proper waste handling practices.Key to the City: Information, facts, lists of cities with links.Yellowstone Western Heritage Center: A regional museum interpreting and reflecting life in the Yellowstone River Valley. Listed on the National Register of Historic Places.