Creation of Lake Nasser

Ugandan president Idi Amin Dada was a violent dictator whose regime was responsible for some of the worst atrocities in his country's history. Find out more about his brutal reign in this video.

Discover places across the country where strange phenomena are common in this clip from The UnBelievable.

In 1890, medium Helen Peters helped give the Ouija board its name. But after the board accused a relative of theft and tore her family apart, she spent the rest of her life warning others that its answers might not be truthful.

A failed oil rig causes an environmental disaster, while a NASA miscalculation dooms a Mars satellite—two costly mistakes with multimillion-dollar consequences.