Sapporo, (säp-pô´rô), capital of Hokkaido prefecture, SW Hokkaido, Japan. One of Japan's most rapidly growing urban centers, Sapporo is famous for its annual snow festival. It was the site of the 1972 winter Olympics.

Coursing through 10 countries, the Danube is the second-longest river in Europe. This waterway, lined with fortresses and castles, rises in Germany's Black Forest and runs for 1,770 miles to the Black Sea. The Danube is an essential commercial thoroughfare for central and southeastern Europe, and several river cruise companies sail vessels on it year-round. Destinations along this river include Vienna, Budapest, Passau and Bratislava.

Argostoli sits on the west coast of Kefalonia, Greece’s largest Ionian Island, where a natural harbor meets the Koutavos Lagoon and a waterfront lined with cafés, tavernas, and shops. As the island’s capital, Argostoli blends everyday island life with moments of surprise, from sea turtles surfacing by fishing boats at dawn to historic sites hidden among palm trees and pedestrian streets.

A town on Cape Cod, Massachusetts. The pilgrims landed in 1620 at nearby Plymouth Rock.

Senja is Norway’s second-largest island, located well above the Arctic Circle and often described as a condensed version of the country’s most dramatic landscapes.