The Sixth Floor Museum at Dealey Plaza is located on the sixth floor of the Dallas County Administration Building (formerly the Texas School Book Depository). The museum examines the life, times, death, and legacy of President John F. Kennedy. It is located at the very spot from which Lee Harvey Oswald, according to four government investigations, killed Kennedy.The museum's exhibition area uses historic films, photographs, artifacts and interpretive displays to document the events of the assassination, the reports by government investigations that followed, and the historical legacy of the national tragedy. The museum is self-sufficient in funding, relying solely on donations and ticket sales. It rents the space from the County of Dallas, Texas.The museum was founded by the Dallas County Historical Foundation. It opened its doors on Presidents' Day, February 20, 1989. The museum is located in the old Texas School Book Depository building, at the intersection of Elm and Houston Streets on Dealey Plaza in downtown Dallas, the location from which the Warren Commission found that Lee Harvey Oswald shot President Kennedy on November 22, 1963.