Norris campground for scenery and location, overlooks pretty meadow that always has wildlife
Mammoth campground not that pretty but in convenient location and easy access
Tower Campground is close to wildlife hot spots, not very scenic.
note when using popup in Yellowstone you must remove all food etc.. and keep it in car or bear box
Wildlife
Tower area for black bears and moose
Lamar and Hayden valleys for grizz and wolves