17. Audubon Ballroom (1912)
The infamous Audubon Ballroom at 166th Street is where Malcolm X was assassinated in 1965 while giving a speech. The building was originally built as the William Fox Aubudon Theater in 1912, designed by Thomas Lamb. Shabazz died either en route to or at the Harlem Hospital, across the street.
Today it is owned by Columbia University, which provides space for the Malcolm X and Dr. Betty Shabazz Memorial and Education Center. Columbia University also preserved the facade of the theater.