1) Cistercian monastery 
Isova is a ruined Frankish monastery in the Peloponnese, Greece, which was built after the Fourth Crusade and inhabited by Cistercian monks. The two surviving structures, unsignposted, near the modern town of Trypiti show strong Gothic influences. Together with the ruined churches of the Villehardouins at Andravida and the ruined monastery of Zara...