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.
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.
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.