scenic view of venecian fortress rio castle in greece, near rio-antirio bridge crossing corinth gulf strait, peloponnese

scenic view venecian fortress rio castle greece rioantirio bridge crossing corinth gulf strait peloponnese europe greek travel fort landmark patra architecture medieval tourism stone sea rion history town touristic walls attraction patras monument vacation ancient landscape buildings building mediterranean historical heritage fortification morea empire antique archeology ruins tourist village antiquity european old tower construction historic