Visit Archaeological Museum and gain an insight into past civilizations. Who knows, you may even discover some unique traditions and beliefs you never even knew existed.
You're spoiled for sightseeing choice when visiting Nessebar Old Town. Archaeological Museum is a great place to kick off here, but there are loads of other interesting spots to experience. Sunny Beach, Aqua Paradise, and Action Aquapark are near the exhibition of human history and will top off your day nicely.