The ruins of an 18th-century mansion that was once named "Mistake" by the man who had it built.

The hidden ruins of a mill that is linked to an attempt to assassinate the vice president of the United States.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

Ship skeletons haunt Baltimore's waterways.