The Queen Anne's Revenge has been hidden off the coast of North Carolina for almost 300 years. Those years have not been kind, slowly eroding away the organic components of the ship and encasing the metals of the ship in concretion. The sea is not particular in its encasement; like the celebrated Blob of monster movies, it not only encases the metals but anything next to it as well. Concretions can be small enough to fit in your hand, or large enough to encase a cannon – or an anchor. The Lab in Greenville has literally thousands of concretions from the site.