Swallows Nest Sea Castle, Crimea, Ukraine - Built in the late XIX century near Yalta, in the South of Crimea. Situated on the steep cliff right over the sea, it has become the symbol of the South coast of Crimea and one the of the most exciting point of interests of the whole resort.
Vibo Valentia is a city and municipality in the Calabria region of southern Italy, near the Tyrrhenian Sea. Norman-Hoehenstaufen Castle, located most likely on the site of Hipponion acropolis, and built around 1000. For its construction materials from the Greek temples nearby were used. It was damaged by an earthquake in 1783. Today the castle is home to a state museum.