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Pearl Harbor (see more photos) on Oahu, Hawaii, is a significant historical location. It was here where the Japanese attacked the U.S. Pacific fleet on December 7, 1941, which led the United States to enter World War II. Today, Pearl Harbor (including the Arizona Memorial) is the most-visited destination on Oahu, with more than 1.5 million visitors per year.
World War II Valor in the Pacific National Monument is the portal for all visitors to Pearl Harbor, and it consistently ranks among the top three most heavily-visited tourist destinations in the State of Hawai'i.