The most amazing 24-hour a day breakfast grill and luncheon place I've been to is the Anchor Grill in Covington.
It's a dive. A REAL one, but the food is OMG-hangover cure or 3AM munchies kind of yum.
Keep an eye out for the dancing barbie and bandstand in the animated juke box near the disco ball.
Recently, the current owners, which are the kids of the original owners, decided to go through with a plan to paint the side of their building with a mural of an Ohio River steamboat. Apparently it was something the parents wanted to do ages ago, but never got around to hiring anyone to do the mural.
Well, the parents are gone, but not forgotten. They've been painted onto the stern side of this mural and I hope it lasts 100 years.
It's on the corner of Pike and Main Streets, about 100 yards east from the Pike Street/MLK exit off of I-75/71.
You should go.