Shark Girl

For 20-year-old Madison Stewart, nothing feels safer or more natural than diving straight into shark-infested waters. Since childhood, growing up by the Great Barrier Reef, she's treated these predators as family. But they're vanishing from existence, and because of their bad reputation, few people seem to care. Follow Madison on her mission to protect our sharks, a battle that began when she put her studies on hold, grabbed a camera, and set out to save these incredible, misunderstood creatures. (Source: The Smithsonian Channel)