By ALEXIS SHAW | Good Morning America
Undersea explorer Barry Clifford is diving back into the water after he and his team uncovered an unexplored trove of buried treasure that he said may lead to the discovery of more than 400,000 gold coins.
Clifford and his team located a sunken pirate ship, Whydah, off the coast of Cape Cod nearly 30 years ago. The Whydah was a slave ship that was captured by notorious pirate captain "Black Sam" Bellamy in February 1717, just two months before it sank on April 26, 1717.
Since discovering the Whydah -- the only documented pirate ship -- in the 1980s, Clifford and his team have worked to bring thousands of treasures discovered on the ship to the surface, he told ABCNews.com.
"There's just a tremendous amount of material on board the vessel," he said.
Clifford and his team focused on excavating a new site beneath the water's depths this summer, and discovered coins stacked up "like poker chips," sedimentary rocks known as concretions and thousands of lead musket balls buried 20 feet beneath the sand, he said.
"We were getting very exciting about this, finding all of this very heavy material like lead and fragments of gold," Clifford said.
So they returned to the site, just 1,500 feet from the shore, for a three-day expedition to see what lay beneath the sand, which culminated Sept. 1.
"We were all tired, but I wanted to dig one more pit before heading back," Clifford said of the last day of the dig. "There was ink-black fog; you virtually couldn't see the bow of the boat. But we dug a hole and sent a diver down, and he came up within 20 minutes, which is half the time I would have expected him to be back." ...more