The commercial and cultural center for the Ruhr region on the Rhine River, Duseldorff is also the site of the Felderhof Cave where Neanderthal man was found in 1856.

A popular cruise line port, Portoferraio is a spectacular spot on the Italian coast and principal town of Elba Island.

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).

Home to a number of Hindu and Buddhist temples, beautiful botanical gardens, and ancient palaces, Kathmandu is the perfect place to immerse yourself in Nepali culture, history, and religion.

The iconic red sandstone cliffs and winding canyon of Zion National Park beckon you. Located near Utah's southern border, Zion is one of the most popular national parks in the American Southwest and a favorite spot for hiking, biking, rock climbing, and camping.