The Bermuda Triangle is over 500,000 square miles of rumored mysteries, but in reality, the it may be filled with something even more incredible—sharks. Marine Biologist Dr. Austin Gallagher is searching for the holy grail of shark research - the secret breeding grounds of tiger sharks, and he's hoping one special shark can lead him to it.➡ Subscribe: http://bit.ly/NatGeoSubscribe#NationalGeographic #BermudaTriangleAbout National Geographic:National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.Get More National Geographic:Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta TikTok: http://www.tiktok.com/@natgeo Tenor: http://on.natgeo.com/31b3KocScientists stumble upon a 12-foot long male tiger shark | Sharks of the Bermuda Trianglehttps://youtu.be/OLQQi9IPFlQNational Geographichttps://www.youtube.com/natgeo