Tombstone , incorporated in 1881, is one of the oldest cities in Arizona, as well as being the smallest place incorporated as a city.|alt=A red stagecoach is pulled down a dirt road by a pair of horses, past a row of historic buildings with typical Old West American architecture.  White stepladders, rising to the height of the stagecoach, are seen at intervals along the road.  A streetlight styled as a gaslamp is on the right.  Several people stand in front of the buildings, many wearing cowboy hats.  Above, the sky is a bright blue punctuated by several puffy, white clouds.