Promenade of Pythagorion Ancient Port
At the same spot where the ancient city and port of Samos were located, there is picturesque area with tavernas and cafés by the anchored boats.
A modern monument to the ancient genius who contributed to global science. It's on a pier at the harbor. Perfect for an evening walk.
Tower of Lykourgos Logothetis
In Logothetis tower, you find a small museum about Samos' contribution to the Greek War of Independence. It's a nice walk and has excellent views.
An ancient aqueduct that dates from the 6th century BC and is now a UNESCO World Cultural Heritage Site. Not for claustrophobic people.