In a This Day in History video, learn that on July 18, 1986, the Titanic was finally seen under the sea. After sinking into the icy North Atlantic upon striking an iceberg, the Titanic hadn't been seen for seventy-four years. Jason Jr., J.J., dove 13,000 feet to explore the Titanic. A robotic arm tried to open the ship's safe but the door wouldn't budge; the Titanic would keep some secrets yet in her cold Atlantic grave.
This Day In History: July 18