The modern birthplace of Irish freedom.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The oldest public library in Ireland.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

These fantastically named natural pools look like something out of a Scottish myth.

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

Largest lake in Great Britain measured by surface area.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

A nuclear bunker built to shelter the politicians and important people of Scotland in case of nuclear attack.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

A book bound in the skin of an infamous criminal, along with countless other specimens.

A British plaque explains that a house was built using the spoils of the first international golf bet.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

The most loyal of little dogs, or a Victorian era publicity stunt?

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The final resting place of soldiers' loyal canine companions.

A six-ton wedding present for the King of the Scots.

360° views of the city plus five floors of optical illusions and hands-on science.