Once serving as the capital of the Ottoman and Byzantine Empires, Istanbul today offers impressive architecture, historic sites, dining, shopping, nightlife and exotic atmosphere. Spend time in the Old City to explore renowned places, like the Hagia Sophia, Blue Mosque and Topkapi Palace.

Officially Lesbos, more often Mytilini after its main city, it is Greece's third-largest island, famed for olive oil. Its hills are said to hold 11 million olive trees, silver in the sun, while higher peaks are covered in pine forests. It was the birthplace of major intellectual figures, including Sappho, the great lyric poetess; Pittacus, one of the Seven Sages; Alcaeus, and many others.

Europe's classical metropolis, Ephesus, was one of the largest cities in all of the Roman Empire, boasting one of the Seven Wonders of the Ancient World, the Temple of Artemis. Explore the ruins of its massive Theater, the Temple of Hadrian and the magnificent Celsus Library.

Heraklion, Crete's capital, offers two must-sees: the Heraklion Archaeological Museum, with Minoan treasures and artifacts spanning 5,500+ years, and the Palace of Knossos, a Minoan center dating to c.2000 BC and linked to the Minotaur's Labyrinth. Enjoy harbor views from the 13th-century fortress and waterfront, then try fish taverns serving Cretan dishes like kaltsounia with raki.

Known as the "Pearl of the Adriatic," Dubrovnik was founded in the 7th century by a group of refugees from Epidaurum (today's Cavtat). It is known worldwide for its unique marble-paved squares, tall houses, steep-cobbled streets and fountains. The city walls, once used to as protection against its enemies, now keep motorists at bay in this picturesque town. UNESCO named the Old City a World Heritage Site, and Dubrovnik's beautiful historic sites have been restored to their former glory.

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.

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.

Destroyed by a 17th-century earthquake, Catania has been beautifully restored and offers ancient churches, castles, amphitheaters, lush gardens, and elegant palazzos. Visit 13th-century Ursino Castle, once on the coast before earthquakes and eruptions reshaped the land. Inland, explore Villa Romana del Casale, a 4th-century UNESCO site famed for some of the finest Roman mosaics.

Sorrento is one of the world's most beautiful towns, with breathtaking coastal views and rich history dating back to the 11th century BC. Overlooking the Bay of Naples, it is a key point on the Sorrentine Peninsula and a top destination in Campania. Also plan a day trip to Capri, one of Italy's most celebrated islands, known for its natural beauty.

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.

Livorno in Tuscany is a gateway to Florence and Pisa. From the 13th to 16th centuries, Renaissance freedom inspired Dante, Donatello, Michelangelo, Giotto, Botticelli, da Vinci, and Machiavelli. In Florence, see the Galleria dell'Accademia and Michelangelo's David, plus the Uffizi, Italy's famed art gallery. Visit Pisa's Campo dei Miracoli, Siena's medieval charm, and Lucca, where you can bike through the Tuscan countryside.

Explore bustling Toulon with naval ships, yachts, and colorful fishing boats. Ride the cable car to Mount Faron for sweeping views of Toulon and its turquoise harbor. Learn its maritime history at the Musée de la Marine and the Allied landing at the Musée Mémorial du Débarquement. Wander Old Town's markets, fountains, cathedral, cafés, and boutiques. Shop for designer fashions, jewelry, perfumes, and Provençal gifts like herbs de Provence, lavender, olive oil, and ceramics.

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.

Mallorca, also known as Majorca, is a wind-swept island with steep jagged cliffs and olive groves more than a thousand years old. Mallorca is an island of contrasts. To the south is a busy tourist area with hotels, bars, restaurants, shopping and dazzling night life. To the north are rocky valleys, sleepy villages shrouded in bougainvillea, and breathtaking views. Palma is dominated by the breathtaking Gothic Cathedral, located high above the waterfront on the site of a former mosque.

Málaga, on Spain's Costa del Sol, is the region's capital and a popular holiday base. It is Picasso's birthplace, and his works are displayed in the Museo Picasso in the Palacio de Buenavista. Visitors can also sample sweet Málaga dessert wines from nearby hillside vineyards. The city is a pleasant place to explore and a common starting point for trips to Granada and the Alhambra in the Sierra Nevada foothills.

Gibraltar, located near the southernmost tip of the Iberian Peninsula, overlooks the Strait of Gibraltar, known to ancient mariners as the Pillars of Hercules. Historically, Gibraltar has been an important base for the British Royal Navy. It is most famous for the geological formation, the Rock of Gibraltar and its tribe of Barbary Apes. Despite long sieges throughout its history, it seemed nothing could destroy the Rock or its people, leading to the phrase "solid as the Rock of Gibraltar."

Portimão offers a relaxing beach getaway framed by golden sands and impressive cliffs. History and architecture lovers can visit the medieval Castle of Alvor and the 14th-century Igreja da Nossa Senhora da Conceição, restored after a devastating earthquake with a walnut-wood altar and azulejo religious scenes. Nature brings cultivated fields, pine-covered slopes, and wildflowers. Take home traditional lace, ceramics, leather goods, and baskets.

Lisbon, said to have been founded by Ulysses as Olisipo, is one of Europe's most fascinating cities. A devastating 1755 earthquake destroyed much of it, and the Baixa was rebuilt in neo-classical style, now the city's heart. Overlooking the Tagus, the "City of Explorers" offers districts like Alfama, with Moorish lanes, and Bairro Alto, where you can hear Fado. Nearby are the palaces of Queluz and Sintra.