“atlanta airport layover” is not a verified layover recommendation. We need a source-backed route, timings and connection context before it can become one.
Start with the time that remains.
A connection is more than the interval between two times. Count what happens after arrival and before the next gate, then look at the time left for a pause. A city visit may not fit even when a stop looks long.
Then ask what is possible.
Entry requirements, bags, transit, and access to an experience are separate questions. We cannot infer them from the route alone. If any answer is missing, keep the idea as inspiration rather than a commitment.
Nothing has been saved, reserved or issued. A good guide opens a question; your own itinerary has to answer it.
Make a plan from your own trip.
Choose a known route or use the details from a held itinerary to calculate a planning window. Check changing flight information with the airline or airport.