Unexplained

The Salzburg Cube, also known as The Wolfsegg Iron, is a relatively small block of iron that was found buried in a coal seam in Wolfsegg, Austria, in 1865.

The Tunguska Event, a mysterious explosion over the Tunguska River in 1908, has sparked many speculations as to its cause (A meteor? A Tesla experiment gone wrong? A natural gas explosion?). But this one certainly wins for its sheer weirdness: Dr.

On 28 January 1959 ten cross country skiers, eight men and two women, led by Igor Dyatlov, set off on a skiing expedition to Otorten Mountain in the northern Urals. The only surviving member, Yury Yudin, fell ill and had to leave the group.