The restored Byzantine Monastery of St. John the Theologian is located next to the tanks of the ancient Roman city of Aptera. It is already mentioned in chronicles of 1181 A.C. as a dependency of the Monastery of Patmos, while during the Venetian and Ottoman domination maintained a prominent position in the economic affairs of the place, due to its possession of vast areas included in Apokoronas field. After the Second World War, its vast property was expropriated in favor of the inhabitants of the surrounding villages and in 1964 it was deserted.
The headquarters Venizelos / Therisos Movement Headquarters
So called the headquarters of the Revolutionary Assembly in 1905, in Therisos, which organized the homonymous revolution against the authoritarian rule of the High Commissioner George. Nowadays, the building has been converted into a museum for the exposition of weapons, objects from that period and evidence of the revolutionary action of Eleftherios Venizelos.