Popular History

10 Shipwrecks That Became Time Capsules of History

From Bronze Age cargo to an Antarctic expedition, these ten shipwrecks preserve surprising evidence of how people traded, fought and lived.

4. USS Monitor: The Ironclad That Needed a Second Rescue

USS Monitor's gun turret being lifted from the water during recovery in August 2002

The USS Monitor’s revolving gun turret helped make its 1862 encounter with CSS Virginia a landmark in naval warfare. But a revolutionary warship was still vulnerable to weather. Monitor sank in a storm off Cape Hatteras on December 31 of that year.

The turret returned to the surface on August 5, 2002, during a major recovery effort involving NOAA and U.S. Navy divers. The photograph shows the huge cylindrical structure emerging from the water. Bringing it up was an engineering achievement; preserving it became another demanding task.

Saltwater exposure changes materials, and a recovered object does not automatically become stable once it reaches a museum. Monitor’s artifacts have required extensive conservation and careful investigation. That work turns a famous battle story into something more tangible: machinery that can be examined, construction choices that can be tested, and evidence of the crew’s working environment. Recovery was the beginning of a new phase of research, not the end of the wreck’s story.