This is the largest cemetery in Ireland and the first cemetery museum in the world.

The house where the writer spent his formative years.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

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

The ancient tomb acts as a calendar that keeps perfect time.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

This Roman relic was discovered in Scotland by a mudlarking ferryman.

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

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

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

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

The castle still holds traces of the abandoned Roman fort it was built atop.

Recently restored menagerie of Victorian-era beasts.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

A curious urban windmill once owned by a renowned British mathematical physicist.

These 90-year-old murals of local kings, Vikings, and outlaws hide in plain sight in a beautifully baroque shopping arcade.

In 2013, historians discovered a hidden room devoted to the art of making royals' hot chocolate.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.