Uncovering America’s Deepest Secrets *Marathon* | America's Book of Secrets | History

This marathon uncovers the government’s most guarded secrets—from covert space programs and classified missions to the FBI’s hidden role in surveilling one of America’s most iconic civil rights leaders. See more in this America's Book of Secrets marathon. Stay up to date on all of your favorite The HISTORY Channel shows at history.com/schedule. #HISTORY #AmericasBookofSecrets Watch more America's Book of Secrets on YouTube in this playlist:    • America's Book of Secrets | FULL EPISODES ...   Don't miss a video! Subscribe NOW:    / @history   Chapters: 0:00 The Secret Space Program 38:35 The FBI vs. Martin Luther King Jr. 1:26:00 Inside the FBI: Secrets and Surveillance ABOUT THE HISTORY CHANNEL: The HISTORY® Channel, a division of A+E Global Media, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. FOLLOW HISTORY CHANNEL: Watch Full Episodes: https://www.history.com/videos Sign Up For History Emails: https://www.history.com/emails/sign-up Browse Topical Videos: https://www.history.com/topics Facebook:   / history   Instagram:   / history   TikTok:   / history   X:   / history   YouTube:    / @history   Copyright Notice: This video and my YouTube channel contain dialog, music, and images that are property of The HISTORY® Channel. You are authorized to share the video link and channel, and embed this video in your website or others as long as a link back to our YouTube Channel is provided. © 2025 The HISTORY® Channel Uncovering America’s Deepest Secrets Marathon | America's Book of Secrets | History    / @history