《里程碑》 是John Douglas,罗伯特·克拉莫导演的作品，发行于1975年（美国），由Mary Chapelle,Sharon Krebs,Jim Nolfi,格蕾丝·佩雷,Susie Solf,David C. Stone,Joe Stork,Paul Zimet,Bobby Büchler,Elizabeth Dear等主演的一部纪录片。
讲述了：　　"A many-faceted portrait of those individuals who sought radical solutions to social problems in the United States during the 1960s and 1970s. It cuts back and forth between six major story lines and more than fifty characters, and across a vast landscape, to explore the lifestyles and attitudes of the American left who faced both personal and hhistorical transitions in the period following the Vietnam War."