
Photo: MARYLAND DEPARTMENT OF NATURAL RESOURCES/MARINE ROBOTICS & REMOTE SENSING, DUKE UNIVERSITY
Forty miles south of Washington, D.C., close to Nanjemoy, Maryland is a fleet of ghost ships — the wrecks of hundreds of ships in Mallows Bay, a shallow bay on the Potomac River. It is considered to be the largest shipwreck fleet in the Western Hemisphere. Some of the wrecks date back to the Civil War and some are of recent vintage. Most are wooden cargo ships built for World War I, which sailed directly from shipyards to layup without ever seeing service.
Over the years, the wrecks of these ships have become home to fish, osprey, bats, beavers, waterfowl and a variety of vegetation. Now, if all goes well, the fleet will become part of the Mallows Bay-Potomac River National Marine Sanctuary, the first national marine sanctuary designated since 2000.