From the rugged highlands and volcanic plateaus to the lowland deserts and the Great Rift Valley, Ethiopia's terrain is as varied as it is dramatic.

Situated on the coast of Tuscany near the Tyrrhenian Sea, Livorno, Italy, is a popular stop on Mediterranean cruises and an important commercial and industrial port. It was founded on a former auxiliary Pisan port between the late 16th and early 17th centuries on the orders of the Grand Duke Cosimo I, who made it Tuscany's main outlet to the sea.

Located on the southern coast of Norway, Kristiansand is a charming port city and a favorite summer destination for locals and tourists alike. Highlights of this coastal gem include the Christiansholm Fortress, the Kristiansand Zoo, the Kristiansand Cathedral, Gimle Gård, and the Fiskebrygga wharf.

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).

This city, which started as a modest fishing village, now offers plenty of modern German charm. The extensive public transportation makes it a perfect home base for seeing nearby attractions such as Heidelberg. Mannheim is known for its many pretzel stands, so make sure you indulge in one of these delicious treats before you leave!