Dayton is the fourth largest metro and the sixth largest city in the state of Ohio.  The region is just north of Cincinnati and has a population of around 1 million people.   Dayton is known for the National Museum of the USAF which is one of the largest aviation museums in the United States.  Check out our day and night photos of the Dayton downtown skyline along the Miami River.  A canvas or metal print of the Dayton cityscape can add some local flavor to any wall space.