Soviet leader Joseph Stalin concealed Hitler’s body from the West for decades. The FBI spent years tracking false lea...

Police closed the case of the infamous Boston Strangler when Albert De Salvo confessed to the grisly murder of 13 wom...

In 1918 Russia's last imperial dynasty, the Romanovs, were assassinated. But doubts remain as to whether all members ...

On July 8, 1947, the U.S. Army issued a press statement claiming to have recovered a flying saucer on a ranch outside...

For 20 years, FBI Director J. Edgar Hoover denied the existence of the mafia. Was it because he was being blackmailed...

As world famous aviator Amelia Earhart closed in on her record-setting attempt to fly around the world in July 1937, ...

How and why did a man so rich, so accomplished and so visible become so reclusive, phobic and fragile? How much truth...

Ted Kaczynski sent the FBI on a $50 million manhunt. We investigate how his childhood as a prodigy led him to academi...

Neil Armstrong, the 1st human being to set foot on another planet. We bring you the the untold stories of Apollo 11's...

A US army scientist died for his involvement in a secret CIA experiment.What was the true extent of these secret CIA ...

NGC delves into the tumultuous history of the atom bomb - filled with deception, twists and danger that even Hollywoo...

Documentary exploring the remarkable escape of three prisoners from the fortress-like penitentiary in 1962, and the s...

Charles Lindbergh becomes the world’s most famous man in 1927 when he flies non-stop from New York to Paris. But behi...

Seven years after a deadly anthrax attack in the US, the FBI announces a suspect. But the man committed suicide just ...

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There's more to Abraham Lincoln than meets the eye. Far from a simple lawyer who freed the slaves, Lincoln is actuall...

No episode overview available.

July 1947,some remnants of a strange object were found in Roswell. Rumoured to be UFO but authorities deny it. Are th...