The world's tallest box hedge is found in a delightful garden.

An 1814 castle that hosts an exhibit of "explorabilia".

An unusual manor of stunning beauty, born out of a crippling disease.

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

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Some of the saint's blood and bones are said to reside in Dublin.

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.

The heads of two giant mythological water horses honor Scotland's horselord past.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

Built in the 1300s, this magnificent building that hosted England's kings and queens transports you to the Middle Ages.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

After years of slow decline, a derelict Gothic castle is now being restored to life.

These picturesque ruins crumble beautifully into the ocean.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

The ancestral home of beloved English poet Lord Byron has a bizarre history.

A remarkable medieval structure born from a 14th-century disaster.

A hundred copies of Antony Gormley's naked body stare out across the water.

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

Seat of the Duke and Duchess of Devonshire for centuries.

A million and a half tons of earth were used to create one of the world's largest land sculptures.