At the site of the worst terrorist attack in the history of the United States, an incredible discovery: the remains of an 18th century ship. Working carefully, salvagers and archeologists unearth the wooden remains, unlocking a piece of American history at a site of devastation.

At the site of the worst terrorist attack in the history of the United States, an incredible discovery: the remains of an 18th century ship. Working carefully, salvagers and archeologists unearth the wooden remains, unlocking a piece of American history at a site of devastation.