An ancient stone wall formed by lava that was a frequent stop during funeral marches.

The oldest natural aquarium in the United Kingdom.

Local legends say that fairies used to dance in the moonlight here and invite handsome young men into their grottoes.

The remnants of a classic 1970's British film.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

It's said that at this location, a Scottish poet met the Queen of the Fairies.

This stone was once used by druids to determine a person's innocence or guilt.

A mysterious ruin shrouded in more folklore than fact.

This astronomically-aligned stone circle was the first of its kind to be built in Great Britain after a 3,000-year hiatus.

A humble ancient well where Scottish knight, Sir William Wallace, took his final drink.

Built to hold the worst of the worst of the Nazi war prisoners.

An abandoned, desolate train tunnel that was used during World War II.

At high tide this strange footbridge appears to have no purpose whatsoever.

"May prick nor purse ne'er fail you."

The abandoned buildings of a hospital that saw most of its activity during the World Wars.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Inside this cathedral is a shoulder bone belonging to the Patron Saint of Scotland.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

Ancient mysterious ruts carved in the bedrock.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

The ruins of a megalithic monument sit right in the garden of a luxurious Maltese resort.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

This subterranean necropolis holds three floors of antler-dug grave caves.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.