Welcome to Unexplained Extra, with me, Richard McLean, Smith.

For the weeks in between episodes, we look at the stories that for one reason or other

didn't make it into the show.

In last week's episode, when the light fades, we looked at the haunting tale of the light

keepers of island more.

The island is one of seven small rocky outcrops known collectively as the Flannan Isles, located

70 miles to the west of the Isle of Louis in the Scottish Outer Hebrides.

The island was often referred to as the other country, a place where a mysterious other

world had touched with our own mortal world.

It is a sentiment reserved for a number of mythical and remote islands from around the globe.

Though many will be familiar with the fantastical Atlantis, or the lost land of Lemuria, there

is one island once thought to be located a few hundred miles off the south coast of

Ireland that may yet prove to be the strangest of them all.

The island is believed to have first been charted by famed Italian-Majorcan cartographer

Angelina Dolsett in 1325.

It would appear again in his later map of 1339.

Widely considered his greatest achievement, the 1339 Portal and Chart now resides in Paris

in the National Library of France.

Looking at it today, it is a masterpiece of composition and geometry.

Considered the finest map of the known world from a European perspective for its time, it

covers a region of land encompassing Northern Africa, West Asia and the majority of Europe.

Despite some notable inaccuracies of scale, it nonetheless depicts a clear picture of

...