Rome offers endless choices: enjoy street performers at the Spanish Steps, wine and people-watching in colorful Trastevere, or the city's rich history and architecture. St. Peter's Basilica is a full-day visit, with the Sistine Chapel and panoramic views from the dome. Don't miss the Trevi Fountain, the Colosseum, and Aventine Hill, which overlooks the Imperial Palaces ruins and the Circus Maximus.

As is true of the rest of the Amalfi Coast, this city boasts beautiful vistas, charming open-air cafés and captivating landmarks with historic roots. One example is Duomo di Salerno, an absolute must see for lovers of art, history and architecture. This Italian cathedral showcases an impressive design, powerful frescoes and melodious mosaics spanning the centuries as far back as the 11th century, when it was built by the Normans.

Palermo, the capital city of Sicily, was founded by the Phoenicians in the eighth century BC. Palermo remained a Phoenician city until the First Punic War, when Sicily fell under Roman rule. Palermo remains a jewel of the Mediterranean, and is Sicily's largest and most cosmopolitan city. No visit to Sicily is ever complete without a visit to Palermo, a city that permits one not just to know this island but to begin to understand it.

Messina, Sicily's third-largest city, was a key medieval port for knights heading to the Crusades. Though extensively rebuilt, it still has major landmarks, especially the cathedral with its unusual astronomical clock, the 12th-century Catania Church, and the ornate Teatro Vittorio Emanuele. It's also a starting point for day trips to Mt. Etna's Crateri Silvestri.

Found on the northern Dalmatian coast of Croatia, Zadar is rich with thousands of years of history. Ruled at various times by the Romans, Ostrogoths, and Byzantium, the city became a center of commerce and naval power rivaling that of Venice. Today, Zadar's history, culture, and architecture draw visitors from around the world, as does Plitvice National Park, a UNESCO World Heritage Site.

Koper charms with its marina, red-tiled roofs, seaside cafes, and old Venetian mansions from its days as a jewel of Venice's overseas empire. Around Titov Square, see the Praetorian Palace in Venetian Gothic style. Nearby excursions include the UNESCO-listed Škocjan Caves or a trip through the Slovenian countryside to Ljubljana, ending with a river cruise past picturesque historic buildings.

From Fusina, journey to Venice, where you'll witness the Grand Canal, lined with enchanting Renaissance architecture. Art lovers can visit the Peggy Guggenheim Collection or the Doge's Palace, a Gothic masterpiece. Savor Venetian cuisine at a traditional trattoria, sampling fresh local dishes. History enthusiasts can also peruse St Mark's Basilica, a marvelous 18th-century cathedral adorned with sculptures, mosaics and bas-reliefs representing Italian sophistication.

Split is the largest Croatian city on the Adriatic coast. It is famous for Diocletian's Palace, built as the Roman emperor's retirement home; its stone structure, grounds, and cellars are a major highlight. Other sights include the Cathedral of St. Duje, on the remains of an ancient shrine said to be the world's oldest, and the Mestrovic Gallery, featuring works by Croatian sculptor Ivan Mestrovic in his former home and atelier.

Kotor is a coastal town in Montenegro, located in a most secluded part of the Gulf of Kotor. The old port, surrounded by an impressive city wall built by the House of Nemanjicc, is very well preserved and is a UNESCO World Heritage site. Numerous other attractions include the Cathedral of Saint Tryphon in the old town (built in 1166), and ancient walls which stretch directly above the city. Nightlife also attracts tourists to Kotor with pubs, taverns, cafes, and nightclubs.

Legendary Corfu is a lush and romantic island, written about by Homer in his famous Odyssey. The island's history is full of battles, indicative of Corfu's turbulent position that lasted until modern times with unification with modern Greece in 1864. Corfu offers a combination of cosmopolitan and time-honored Greece. As well as a flower-strewn countryside and Adriatic-style villages, Corfu has splendid coastal scenery and some excellent secluded beaches.

Once the seaport of Sparta, Gythion welcomes visitors with a beautiful coastline and white sand beaches. Near the entrance of the city is the Theatre, which still houses the ruins of the Temple of Athena and the Gates of Castorides. The Archaeological Museum of Gythion has a vast collection that includes finds from excavations of the many ancient sites throughout the city. Be sure to enjoy a delicious seafood lunch al fresco in a traditional ouzerie.

Piraeus is the gateway to Athens, the "Cradle of Western Civilization," famed for its lasting cultural and political influence. Driven by tourism and the 2004 Olympics, Greece has redeveloped many sites. Athens remains a historian's delight, with the Acropolis, Parthenon, Plaka's winding streets, the Temple of Olympian Zeus, the Temple of Athena Nike, and the Archaeological Museum's renowned ancient artifacts.

Malta's capital and major port, Valletta was inscribed as a UNESCO World Heritage Site in 1980. Highlights include the 19th-century Mosta Dome, San Anton Palace Gardens in Attard, Lija and Balzan, and the sea views from Dingli Cliffs. Valletta also makes a good base for day trips to Mdina, with St. John's Baroque Cathedral, and Rabat, once part of Roman Melita, with its archaeological sites.

Visitors love Mahón's charming shops, eateries, and hilly old quarter with Georgian buildings. Explore the island for dramatic views, quaint villages, and well-preserved taulas from its megalithic past. Don't miss Plaza de España, where market stalls line the arcades of the former Carmelite friary, selling local artwork and souvenirs. Enjoy fresh seafood, paella, local wines, and Mahón's signature cheese at cozy tapas bars.

One of Europe's most visually stunning cities, Barcelona balances the medieval intimacy of its Gothic Quarter with the grace and distinction of the wide boulevards in the Moderniste Eixample. It was the home of architect Antoni Gaudí, whose Sagrada Familia Cathedral, Park Güell and Casa Milà are the most profound statements of Modernisme. View the splendid works at the Picasso Museum and the Miro Foundation, or discover Barcelona's passionate ambiance at a flamenco show.