135K views · 2.3K reactions | How did the legendary giant megalodon shark take over the oceans? In Lost Beasts Unearthed, new evidence reveals how these giants evolved to conquer the oceans, how they grew so big, how they hunted, what they ate, how they fought and what triggered their extinction. Tune in to Lost Beasts Unearthed from Sunday 17th March at 6pm, on National Geographic UK. | National Geographic UK | Facebook

67K views · 1.3K reactions | At approximately 20 feet long, Deep Blue might be the biggest great white shark ever caught on camera. Learn more tonight during a brand new special, "World's Biggest Great White?" at 8/7c. | National Geographic TV | Facebook