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Under the Sea: Shipwrecks, Treasures and Natural Wonders
by Bambi Turner
With only five percent of the ocean explored, Earth's oceans are the final frontier. Yet even the small corners of the sea that man has explored have yielded incredible finds, from sunken treasures, to long lost ships, to creations by Mother Nature herself. Take our quiz to see how much you know about the most amazing things hiding beneath the seas.