Mission: The Sixth Floor Museum at Dealey Plaza chronicles the assassination and legacy of President John F. Kennedy; interprets the Dealey Plaza National Historic Landmark District and the John F. Kennedy Memorial Plaza; and presents contemporary culture within the context of presidential history. xamine the life, death and legacy of President John F. Kennedy through artifacts, photographs, documentary films, areas where evidence was found, eyewitness accounts and interactive educational programming on both the sixth and seventh floors.Click to exploreCollectionsExplore history through one of the world's most significant repositories of original photographs, film and video footage, documents and artifacts related to the assassination of President John F. Kennedy- a continually growing, multifaceted collection of approximately 45,000 items. more... See more text