US diplomats stationed in Cuba have recently been subjected to a series of mysterious 'health attacks'.
A history researcher believes that he may have finally solved the mystery of the medieval manuscript.
The only surviving letter written by Joseph Merrick was a thank you note sent to widow Leila Maturin.
Declassified CIA documents have indicated that Hitler may not have committed suicide in his bunker.
An Australian researcher may have finally solved the mystery of what happened to La Perouse 230 years ago.
Dozens of people had to be treated in hospital after a mysterious haze appeared in the area on Sunday.
The crew of the HL Hunley, one of the world's first combat submarines, inexplicably died at their posts.
The wreckage of a cruiser sank by a Japanese submarine 70 years ago has finally been discovered.
Residents of Teixeira de Freitas were treated to a rather unusual and unnerving spectacle this week.
The freestanding doors have turned up in several towns, leaving local residents scratching their heads.
A mysterious object found in the surf on a beach in Westerly has been raising eyebrows this week.
Volunteer detectives have located what could be a critical piece of evidence in the long-running case.
The remarkably well-preserved fruitcake was left behind by Captain Scott's ill-fated expedition.
A radio station in Russia has been broadcasting a mysterious signal non-stop for more than 35 years.
An unseen individual in India has been reportedly going around cutting braids of hair off women's heads.
Until recently, maps and atlases were plagued by non-existent islands, mountain ranges and countries.
One 20-year-old woman found, to her horror, that she was not alone in her new Enumclaw apartment.
A chest thought to be filled with Nazi gold has been found in the wreckage of the scuttled SS Minden.
Several households in England have been plagued by a woman crying through their letterboxes at night.
Back in 1964, the Gulf of Tonkin incident resulted in a renewed commitment to war with Vietnam.