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Troy answers an urgent call from his long time friend and fellow swamper, Daniel Edgar, who has discovered a mysterious threat to the alligator population.

An ancient man-made volcano might reveal bloody human sacrifice and a mystery in the Sahara might have a sinister explanation.

Follow a battle for survival in a terrible day of vicious WWII combat, when the USS Enterprise lost many of her crew and her sister ship, the USS Hornet.

We examine how the battleship began the 20th century as a dominant force, but then saw its weaknesses exploited mercilessly in the World Wars.

Count down the world's top 10 mysterious islands, including sites said to be home to giants and islands that disappear into thin air.

Count down the top ten alien craft, from V-shaped objects to orbs of light to flying saucers.

In 2008, a shadow was cast over Stephenville, Texas, when a UFO passed overhead at supersonic speed. Craig and Sarah speak to an eyewitness and investigate.

Alice heads to London to attempt to make sense of the world-changing events during the short but eventful Restoration period.

Uncovering the stories behind a Yorkshire garrison's stables and the horse the Germans could not kill.

Visit the Devil's Pool in Zambia, explore the electrifying Tesla Tower in Moscow's abandoned woods and take a tour of the safest airport in the world.

Troy answers an urgent call from his long time friend and fellow swamper, Daniel Edgar, who has discovered a mysterious threat to the alligator population.

An ancient man-made volcano might reveal bloody human sacrifice and a mystery in the Sahara might have a sinister explanation.

Follow a battle for survival in a terrible day of vicious WWII combat, when the USS Enterprise lost many of her crew and her sister ship, the USS Hornet.

We examine how the battleship began the 20th century as a dominant force, but then saw its weaknesses exploited mercilessly in the World Wars.

The Men Who Gave the Orders: Explore the men in charge whose rampant egos and misguided belief in their own abilities led to their country making fatal mistakes in the war.

Naseby: Karl and Kevin explore how weapons and armour developed, starting with the 1645 Battle of Naseby during the English Civil War.

Count down the world's top 10 mysterious islands, including sites said to be home to giants and islands that disappear into thin air.