Approximately 15 km from Volos lies the archaeological site at Sesklo.

Right next to the namesake village on Kastraki hill you will find the oldest prehistoric settlement that has been discovered in Greece and one of the oldest in Europe. It appears that the settlement was first inhabited in the 7 millennium BC. However, only few findings survive today; mainly tools and some clay figurines. During the next millenia, the settlement grew rapidly in size and culture. It consists of approximately 800 houses that are built upon stone foundations and their walls are made of brick. Excavations have revealed impressive findings from this period. Be sure to notice the ceramic vases with painted decoration and the tools made of obsidian, which probably came from Milos and indicate commercial relations between the settlements.

Although less impressive than other famous archaeological sites, Sesklo is worth visiting because of its high significance.