Immerse yourself in the tiniest details of ancient Mediterranean culture on a 22-night cruise of Greece, the French and Italian Riveiras.  Swim the serene blue waters of Spain’s Costa Brava near Palamós, exploring an 11th century fortified castle that protected medieval villagers against pirates. Behold the natural beauty of the French Riviera from the sunbaked beaches of Sanary-sur-Mer to the inimitable limestone cliffs of Cassis. Harken bygone eras of quiet shores and quaint fishing villages dotting the Côte d'Azur, centuries before Cannes and Monte Carlo became glamorous celebrity enclaves. Spot Arab and Norman influences in the Sicilian town of Messina, reflected in the horseshoe arches and decorative stonework of the town’s famous 12th century cathedral. Tour the ancient wonders around Gythion, exploring the austere "Spartan" Greek design in the town of same name.  Marvel in the finest architecture of ancient history in Athens: the iconic Acropolis standing sentry over the city, breathtaking monuments to Mythical deities like Zeus, Athena, and Poseidon.  Spend two days in Thessaloniki, Greece’s second-largest city, allowing time to tour its wealth of archaeological highlights including the iconic White Tower that houses the city’s museum, and the heart of the city, Aristotelous Square. Live out your Mama Mia dream on the island of Skoplos, where many of the Hollywood films’ scenes were filmed.