Built around 200 AD, the Great Thermae of Dion were far more than a place to wash: they were the social heart of the Roman city, with cold, warm and hot rooms, exercise grounds, shops and even a small odeum for performances.
Walkways today cross the hypocaust — the raised-floor heating system whose brick pillars are beautifully preserved — and mosaics of sea creatures still decorate the floors of the changing halls.
A statue group of the healing god Asclepius and his family was found here, hinting that the baths also served as a place of therapy — a 1,800-year-old wellness centre at the foot of Olympus.