Greece & Italy Cruise 9 Nights • Rome (Civitavecchia), Italy to Barcelona, Spain • Mariner of the Seas

The Eternal City endures with endless adventures, so it’s definitely worth exploring before your cruise from Civitavecchia. Rome is just an hour from the port by train, so spending a few days here is easy and convenient. Start each morning with a frothy cappuccino and a warm, flaky cornetto in an al fresco café and watch the city wake. Then head to the Palazzo Massimo, home to one of the world's biggest collections of ancient art. Or visit the thermal Baths of Diocletian, where you can see two ancient, decorated tombs dating back to the early second century AD. And of course, no visit to Rome is complete without a trip to the famous Colosseum, which once hosted gladiator contests, battle reenactments and Roman dramas. If you’re a foodie, you’re in the right city. Roman cuisine is all about simple, fresh, unfussy flavors. Think thin and crispy pizza cooked in wood ovens, homemade pasta tossed in simple sauces, crispy fried vegetables and decadent breakfast pastries often stuffed with cream.

Begin your Amalfi Coast adventure by roaming the ancient streets of Pompeii. Later, stroll Salerno's waterside promenade, and stop in a cafe to sip on an expertly pulled espresso shot. Or take a drive along the coast to soak in the jaw-dropping vistas.

Powder white houses, sparkling blue waters, and red-hot nightlife— the Island of the Winds carries you away with colorful upscale adventures. Explore Hora’s bougainvillea-laced pathways and see the Folklore Museum’s Mykonian ship models. Join the raucous party on the shimmering sands of Super Paradise beach. Or watch the sunset from an open-air taverna— all nestled in the heart of Greece’s Cyclades islands.

Santorini is one of the world’s most popular islands, known best for its dramatic scenery, whitewashed villages and fiery volcanic activity. Here adventure bubbles above the Aegean Sea in the most bold and breathtaking ways. A cable car takes you to the capital of Fira, a bustling cliff-top town awash with old cathedrals, enthralling museum collections and cozy tavernas. Venture to Royal Beach Club Santorini the coast for a swim in the deep blue waters that lap volcanic black sand beaches. And peel back layers of lava and history among excavated Akrotiri. Whether it’s by bicycle, ATV or on your own two feet, exploring this Cyclades isle never fails to impress.

Explore the harbors of Piraeus, which showcase the Golden Age of Greek history. Visit the Hellenic Maritime Museum and the ship sheds — here, you can see how ancient ships were crafted. In the charming Castella district, you'll find some small, quaint shops and cafes amid the elegant neoclassical buildings. Head to Sotiros Street to find brand name stores, alongside smaller local shops.

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.