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

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

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

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Spend the night in this formerly abandoned traditional Scottish village.

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

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

The house where the writer spent his formative years.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

An Irish peat mine has become a stunning sculpture park.

An important landmark in the history of algebraic logic.

These moss-covered medieval ruins tower atop the smallest of Ireland's Aran Islands.

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

The ruins of a medieval monastery named after a type of tree.

See some of the world's greatest racing horses at this idyllic thoroughbred breeding facility and garden complex.

This Bronze Age tomb is the centerpiece of a clearing within a beautiful Irish forest.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

An ancient chamber filled with wonderful rock art and a Neolithic carving of a human face.

This natural sea arch highlights Ireland's rugged coastal beauty.

This 5,300-year-old tomb with mysterious carvings crowns an Irish mountain.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

On the Irish coast, 18 members of the Howard family are eternally resting in an Egyptian pyramid.