Packed with unbelievable surprises, Earth's vast oceans are still full of mysteries that science has yet to unravel. From the hidden secrets of the ocean floor to the weird creatures that dwell in the deepest abysses, we countdown 10 fascinating ocean facts that will blow your mind! Learn why the ocean is actually purple and how coral reefs are visible from space. Discover luminous lifeforms that create living lamps in the blackened depths. Did you know the world's longest mountain range is underwater or that millions of shipwrecks lie buried in the seafloor graveyard known as the Atlantic Ocean? Find out which tidal wave was the tallest ever recorded at 100 feet tall! Go on a journey through hidden lagoons, unbelievable sunk island utopias, bermuda triangles, spooky brine lakes, and more as we reveal some of the coolest ocean phenomena on Earth! ...