ABERDEEN -- Scotland's third-largest city (pop. 187,000) is characterized by buildings of beautiful white granite. Set beside the North Sea, Aberdeen is both a university town and the capital of the Scottish oil boom. It is also one of Scotland's largest seaside resorts (though its appeal is confined to those who like their water well-chilled).

Situated between magnificent Mount Vesuvius and the glittering Tyrrhenian Sea, Naples is the perfect destination for history and archaeology aficionados and lovers of savory Italian eats. Marvel at the ruins of Pompeii and Herculaneum, explore the San Gennaro Catacombs, and end your day with authentic Neapolitan pizza.

Perched high on a rugged hill, Neuschwanstein offers breathtaking views of the surrounding landscape, including the shimmering Alpsee and the dense forests that cloak the region. A visit to Schwangau isn't complete without exploring this iconic landmark, where the opulence of King Ludwig II's vision comes to life in every ornate detail.

This small cruise port is located in Mexico's Yucatan peninsula south of Playa del Carmen, near Belize. It is famous for Chacchoben, a breathtaking set of Mayan ruins. The port has a new and modern shopping mall and the central plaza has saltwater pools and 'swim-up' style bars for tourists to enjoy.

Valparaíso, Chile, is a city that beckons travelers with its vibrant street art, steep hillsides, and bohemian spirit. Known as the "Jewel of the Pacific," Valparaíso's historical importance as a major port during the 19th century has left an indelible mark on its architecture and culture.