"[Considering] this, 95 percent of the ocean still remains unknown to us. you've found [to offset] chemical changes that happen underwater.".
Gold treasure found: Shipwreck off South Carolina coast could yield as much $1.2 million haul is just a fraction of what lies on the ocean floor.
American treasure hunters hit it big when they retrieved 60 tons of silver from the bottom of the Atlantic Ocean earlier this xisf.org, Fla.
Found ocean treasures - free deposit
Editor's note: This article was updated on Dec. According to the office of the Colombian president, archaeologists identified the shipwreck of the San Jose with certainty by its cannons. Stephanie Pappas, Live Science Contributor. Where To Stream Every Best Picture Winner Ever Most Popular This Week. For hundreds of years, treasure hunters have traveled to Nova Scotia to try to retrieve treasure, but have come up empty handed due to many booby traps.