People line up to visit St. Peter's Basilica at the Vatican. Although flights to Europe remain expensive, the falling euro is still leading to a surge in American tourists visiting Europe. Andrew Medichini/AP hide caption

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Europe May Be On Sale, But The Ticket To Get There Isn't
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A pedestrian passes a currency exchange in London Jan. 5. The value of the U.S. dollar has risen about 15 percent against the euro since last summer. Andy Rain/EPA/Landov hide caption

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Dollar's Rise Is Good News For The U.S., For Now
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A sculpture of oil workers in Caracas, Venezuela. The country is heavily dependent on oil exports, and falling oil prices have had a ripple effect on the country's already troubled economy. Ariana Cubillos/AP hide caption

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For World's Oil Exporters, Falling Prices Have A Domino Effect
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A woman displays Cuban pesos, or CUP (right) and the more valuable convertible pesos, or CUC (left), in Havana Tuesday. Raul Castro's government announced that it will begin unifying the two currencies. AFP/AFP/Getty Images hide caption

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