The Dyatlov Pass Incident

The 1959 deaths of nine Russian skiers in strange circumstances has resulted in an enduring and widely debated mystery

The Death of Omayra Sanchez

The final hours of 13-year-old Omayra Sanchez were captured in this haunting photograph, which was named the World Press Photo of the Year in 1986

2003 Fatal Leopard Seal Attack

While the first fatal attack was recorded in 2003, leopard seals have shown to be willing to actively hunt humans for over a century

The Disappearance of Rudolf Diesel

When the German inventor of a revolutionary combustion engine went missing, many believed he had been murdered to prevent his invention falling into British hands

The 2002 Moscow Theatre Crisis

After Chechen separatists took the audience and cast of a Moscow theatre production hostage, Russian authorities used a tranquilizer gas to retake the theatre, with disastrous consequences

The Nepalese Royal Massacre

In 2001, ten members of the Nepalese Royal family, including the king and queen, were shot dead during a garden party

The Blue Hole

Why have up to 200 divers lost their lives at a popular dive site on the Red Sea?

The execution of Jean Calas

Two years after his brutal torture and execution for the murder of his son, a French merchant was found to be innocent