Man on the bridge walks to the fortified castle of Torre Astura in the water of Tyrrhenian Sea built on ruins of Roman villa, sunset time, Rome province, Latium (Lazio), Italy, Europe

Panoramic view of the fortified castle of Torre Astura built in the water above the ruins of a Roman villa, Tyrrhenian Sea, Latium (Lazio), Italy, Europe

Villa Seeschloss on the seafront, Seaside Resort of Binz, Baltic Sea, Island of Ruegen, Mecklenburg-Western Pomerania, Germany

Cliff-side houses, villas and windmill in the village of Oia, Ia, as seen from the Kasteli Castle, Santorini, Greece, Europe

A villa built like a castle at the Reschen lake, Reschen pass, South Tyrol, Italy