This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

Eerily lifelike effigies stare at everyone who enters this sanctuary.

Britain’s highest medieval monastery is a remote ruin nestled at the head of a valley 1,240 feet above the sea.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

One of Ireland's most infamous prisons for rebels including men, women and children.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

An Anglo-Saxon cross inscribed with possibly the oldest written work of English literature.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

The remains of centuries of copper mining appear like an alien landscape.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

These haunting ruins belong to an ancient village that once had one hell of a view.

Stonehenge has nothing on Castlerigg’s views.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

France's national museum of scientific and industrial instruments.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Enter the world under the hill at this ancient UK burial chamber.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

This 16th-century house tells the city's history through old artifacts and quirky tales.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.