3.5K views · 444 reactions | The history of UFO sightings in North America goes back nearly 80 years. Explore the timeline of some of the most famous sightings and listen to testimonials from witnesses and the experts who dedicate their careers into uncovering the mysteries behind them. Solve the unknown in the brand new series, UFOs: Investigating The Unknown, Tuesdays at 8pm on National Geographic UK. | National Geographic UK | Facebook

24K views · 520 reactions | Now that UFOs or UAPs have been confirmed by the government, we're looking more closely at the largest unidentified flying object sighting in history. What happened that night in the desert of Arizona that was reportedly witnessed by thousands? Check out today's epic new video to find out! The truth is out there! | The Infographics Show | Facebook

38K views · 608 reactions | In 1989, Bob Lazar came forward with a remarkable story: the US government had hired him to work on the top-secret Papoose Lake/S4 facility, which is a few miles south of Groom Lake, at the Area 51 research centre known as "Dreamland," to reverse-engineer alien spaceships! | History In Pictures | Facebook

12K views · 222 reactions | Bob Lazar FULL uncut interview with Journalist George Knapp (1989)  " I Worked on a UFO reverse engineering program at a base called Area 51 in the Nevada desert " | UFO - SlowXposure | Facebook