But only a full excavation will prove its identity for sure.

SHIPS
The wreckage of the <em>Pulaski</em> was lost for almost 180 years.
The famed ocean liner was bigger and more powerful than the <em>Titanic</em>.
The 'Titanic' is one of the most famous shipwrecks on the seafloor. Its discovery was part of an unrelated Navy investigation.
Today, celebrate with the bread that lasts forever.
The <em>Lake Serpent</em> set sail in 1829 and was never seen again. Now researchers believe they've finally found it.
The hull is remarkably well-preserved.
The USS 'Juneau' had five brothers stationed there at one time. Then tragedy struck.
It's 132 years old, proving once again that bottled messages were the slow wi-fi of their day.
And you can buy some of it.
The ship arrived in Alabama in 1859 in defiance of a law that prohibited importing slaves to the U.S. To hide the evidence of its illegal venture, its captain burned and sunk the ship, and its wreck has been lost to history. Until now.
Read an excerpt from 'The Stowaway,' the amazing story of Billy Gawronski, who was determined to join Richard E. Byrd's 1928 expedition—no matter how many times he had to sneak aboard.
The ship was a Christmas tradition in Chicago until one stormy night in 1912.
The Ecoship is expected to set sail in 2020.
A century ago, a French cargo ship filled with explosives ignited spectacularly in Nova Scotia's Halifax Harbor. Researchers think that an unidentified schooner lying at the bottom of the harbor may have been another victim of the blast.
"A mutiny, a psychopath, and a brutal mass murder."