In 1962, four teenage divers vanished off the coast of Pensacola, Florida, and the sole survivor later blamed a sea monster.
Ross Kemp lifts the lid on one of the most shocking secrets in British history: how Nazis became our neighbours.
Do mermaids exist? Probably not, but there have been plenty of hoaxes. From the Fiji mermaid to a TV mockumentary, here are four of the best fakes.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results