Many of the world's hottest shark scuba diving spots also offer can't-miss topside thrills to keep your heart rate up between dives.

Are you ready for Shark Week? Check out 15 amazing shark photos from our 2014 Underwater Photo Contest! From great whites to oceanic whitetips to hammerheads and more, we've got sharks — and the stories behind how the photographers got their stunning images.

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Mary O'Malley helps nations understand why we need to save sharks and manta rays. She has worked in Indonesia and with WildAid, Shark Savers and Manta Trust.

Book your vacation to Cuba's Jardines de la Reina, or Gardens of the Queen, where sharks, crocodiles, classic American cars and even more thrills are always on the menu.

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SCUBA VIDEO: National Geographic provides viewers a glimpse of neon sharks and other neon se life near the Solomon Islands.