Agia Triada Tower
Take the main road from Vroutsi village towards Arkesini, to find the ruins of Agia Triada tower, built using massive stones, after just under a kilometer.
It was built in the 4th century BC in order to protect Ancient Arkesini (Kastri). In fact, it had skylights and even a plumbing and drainage system. Agia Triada church is built next to it.