You can discover a lot of interesting information from taking a tour of a medical facility. Find out whether Nikaia Regional General Hospital is open to the public while you are in the area.
You'll find Nikaia Regional General Hospital in the commercial suburb of Nikaia. Entry is free, so you can leave your wallet safely in your bag. While you're in these parts, why not also visit some other worthwhile sights, such as Acropolis Museum, Parthenon and Ancient Agora of Athens?