Greece, Italy, Croatia & Malta 7 netter • Ravenna (Venice), Italy til Barcelona, Spain • Mariner of the Seas

Discover enchanting Ravenna, home of some of Italy’s most captivating hidden gems including 8 UNESCO World Heritage sites. This charming seaside port is a haven for art and architecture lovers showcasing Christian mosaics, majestic churches and impressive palaces. Before your cruise, spend a couple of days exploring Ravenna — once the capital of the Western Roman Empire and a thriving hub for craftsmen, artists and master masons. Plus, take advantage of your proximity to visit Venice or Bologna — both less than 2-and-a-half hours by car. Wander through Venice’s iconic St. Mark’s Basilica and ride a gondola beneath the Rialto Bridge or eat your way around Bologna’s Mercato Delle Erbe and catch amazing views from the top of Asinelli Tower. Cruising from Ravenna gives you the opportunity to go off the beaten path and to visit Venice’s famous canals or Bologna’s enchanting streets.

Thick 16th-century stone walls encase the entire Old Town of Dubrovnik. But you’ll find boundless adventures among its orange-roofed ramparts. Explore the perfectly preserved Rector’s Palace and enter beloved St. Blaise’s Church. Browse Croatian art and history museums— or kayak crystal blue waters, with the ‘Pearl of the Adriatic’ shimmering in the distance.

Old Town — which is filled with cafes, shops, restaurants and the Old Fortress — is a must. Close by you'll find the Asian Art Museum, as well as the medieval church Antivouniotissa Basilica. Once you've had your fill of history and culture, take a transfer bus to Paleokastritsa for swimming, pedal boating, kayaking, parasailing and even diving at one of its stunning beaches.

The Ionian island of Cephalonia packs in idyllic beaches, forest-clad mountains and crystal clear waters. And the small capital town of Argostoli is full of big adventure. Go snorkeling with endangered sea turtles. Taste Robola wine in a local vineyard. Rumble in a jeep to Mount Ainos’ summit. Or go coasteering down rock faces dangling over the Ionian Sea.

Begin your Malta adventure by wandering Valletta's Grand Harbor, with its 16th-century fortifications and sweeping ocean views. Then, learn more about this island nation at the Malta Experience Museum — here, an audio-visual show guides you through 7,000 years of the island's history. Savor Malta's eclectic mix of Mediterranean, Arabic and European flavors through dishes like aljotta, a hearty fish stew with tomatoes and garlic, thickened with rice.

Messina is the coastal jewel of northern Sicily. Let yourself get a little lost in the city, as you wander the streets taking note the of the history embedded in its architecture. See the famous Messina Cathedral — its dome has stood since 1551. Stroll among neoclassical and Art Nouveau sculptures at the Camposanto. And check out the Church of the Santissima Annunziata dei Catalani, a 12th-century church that offers a unique example of Norman architecture, blending Arab, Byzantine and Roman elements.

Afternoons in Barcelona are best spent eating Spanish tapas in a cozy bar. Then take a Gaudí-inspired architecture crawl to see modernist wonders like Casa Milà, Casa Batlló, Park Güell and the awe-inspiring La Sagrada Família. Explore medieval dockyards at the Maritime Museum— or throw on an apron and learn the centuries-old art of Catalan cuisine in a chef-led cooking class.