The Woman in the Iron Coffin, a 2018 documentary looking into the mystery of the remains of a woman found in Queens, New York in 2011.
In October of that year, construction workers uncovered a body that was almost perfectly preserved in an iron coffin. Assuming it was a homicide they called the police who handed on the remains to forensic experts. To everyone's surprise, it turned out that the body belonged to a young African American woman from the early 19th century.
How did she end up buried in an iron coffin? This documentary hosted by American actor Jay O. Sanders reveals the answers.