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Watch History's Greatest Mysteries Season 6 Online

  • 7.4/10
  • COUNTRIES: United States of America
  • Subtitles: English

It's one of America's most mythic UFO incidents. A 200 yard swath of debris that landed near Roswell, New Mexico. Some believe it was an alien craft, others that it was a secret government experiment. The deeper researchers dig, the more perplexing the story gets. It's a mystery that's endured for nearly 80 years. So what really crashed in Roswell in 1947?