Course

Unexplained Mysteries

Perplexing cases that are still open.

A black cat on an archive table studying an old key, a cracked tablet and a map under a hanging lamp.

Cases that remain unsolved or disputed, laid out clue by clue: what is known, what is guessed and what each theory would need to be true.

What you will explore

  • Cases with no accepted answer
  • The evidence on the table
  • Rival theories side by side
  • How to think about an open case

Keep investigating