It is home to Pythagoreion and the Heraion of Samos a marvel of ancient engineering .
Pythagoreion and the Heraion of Samos is a UNESCO World Heritage Site that includes the Eupalinian aqueduct .
It is home to Pythagoreion and the Heraion of Samos , a UNESCO World Heritage Site that includes the Eupalinian aqueduct , a marvel of ancient engineering .