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.

Spend a day exploring the fabulous ruins of ancient Pompeii and Herculaneum with their stunning temples, frescoes and mosaics. Explore fascinating Naples and its famed museums, visit charming Sorrento or take a boat trip to the beautiful Isle of Capri.

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.

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.

Cádiz, Andalusia's famed capital, has been beautifully restored. Palm trees, elegant squares, flower-filled parks, red-tile rooftops, and lively markets give the port a charming feel. Its old town sits on the peninsula tip, full of lively plazas, while the new town is an elegant modern city with excellent beaches. Cádiz is also a good base for a day trip to Seville, home to the Alcazar, Seville Cathedral, and the Giralda Tower.

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.

Madeira is described as the "Island of Eternal Spring." Entirely volcanic in origin, the soil combines with the mild climate to produce an abundance of green as well as multicolored vegetation. The rugged landscape, scenic fishing villages, magnificent vistas and ideal climate bring the island fame as a year-round resort. Before leaving this panoramic Atlantic isle, be sure to sample a glass of the famous Madeira wine.

Old San Juan, the oldest city under U.S. jurisdiction and second-oldest European settlement in the Americas, blends historic landmarks, pristine beaches, great cuisine, and resilience. Walk cobblestoned streets past Spanish Colonial sites, browse colorful plazas, and visit Castillo San Felipe del Morro, Castillo San Cristobal, and Museo de Arte de Puerto Rico. Then explore El Yunque's rainforest and waterfalls before relaxing on Luquillo Beach.

Sunny Florida skies, year-round warmth, nightlife, and a diverse culture define this cosmopolitan city. South Beach draws crowds, while the Art Deco District is the world's largest collection of Art Deco architecture. Shop from Bal Harbour to Lincoln Road and Coconut Grove, enjoy Cuban culture on Calle Ocho, or visit the historic Venetian Pool. There's something for everyone in this "Gateway to the Americas."