Russia

Intrigue, history and cultural appeal lure curious travelers to Russia. The country boasts two of Eastern Europe's most impressive cities, Moscow and St. Petersburg. In Moscow, highlights include the Red Square, St. Basil's Cathedral, the Kremlin and the Bolshoi Theatre. In St. Petersburg, see the State Hermitage Museum -- one of the world's largest and oldest museums -- as well as St. Isaac's Cathedral, the Peter and Paul Fortress and Nevsky Prospekt.

Other interesting destinations include the 12th-century Transfiguration Monastery in Yaroslavl; the island of Kizhi, home to some impressive wooden architecture; and Goritsy, which gives visitors a sense of a typical Russian village. You can choose a cruise on the Volga River and enjoy marvelous landscapes while traveling between cities.