It sounds like David arrived at Ravenna’s port on a cruise ship and went from the port to the train station, missing the whole purpose of going to Ravenna: the stunning mosaics. Ravenna is an UNESCO world heritage site because of the mosaics, and make a visit to this pleasant little city worthwhile.
https://notaboutthemiles.com/ravenna-mosaics-how-to-see-in-one-day/
We stayed at Palazzo Bezzi, a very nice modern 4* hotel very close to the train station, and also easy walking distance to see the mosaics that are located within the city.
https://palazzobezzi.it/?lang=en
We will be in Bologna for 4 nights later this week, and we will take a full day for a daytrip to Ravenna to see the mosaics again, probably with a guide this time so we can really learn more about them.
This will be a return to Bologna as well; we were there for 5 days last September. Bologna is considered a “foodie heaven” because the area, including Parma and Modena, produces the iconic Italian ingredients such as Parmagiano Reggiano and top quality balsamic vinegar. But we have found restaurants as good or better than Bologna’s in other areas of Italy. On our current trip, we had our nicest dinner at a small wine bar in the town of Barletta, near Bari. All very fresh local ingredients, beautifully presented. We will try to find a place like that when we are in Bologna.