Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

Tucked away in a London Tube station, this 1920s linear clock shows the time across the world all at once.

The final resting place of a German diplomat's beloved companion.

The biggest onshore wind farm in the United Kingdom.

A historic cave in Scotland once served as a hiding place for a famous Covenanter.

This observatory within Europe's first dark sky park offers stunning views of the night sky.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

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

After playing in this house and its gardens as a child, J.M. Barrie credited it for helping inspire the story of Peter Pan.

A 17th-century building that once served as the town's courthouse and jail is now a thriving art center.

A stone burial chamber that was also the site of religious rituals.

The ruins of a world-renowned medieval hospital.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

This bronze cat looks out over the Linlithgow Canal.

The fictional birthplace of the Chief Engineer aboard the Starship Enterprise.

This uniquely shaped rock formation is one of Scotland's most iconic mountains and gives spectacular views in all directions.

A long-abandoned relic of World War II.

Largest lake in Great Britain measured by surface area.

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

A missing Roman legion was recreated in sculpture along a Scottish cycling route.

This stone was once used by druids to determine a person's innocence or guilt.

The ruins of a small church belonging to a powerful Scottish family still hold the remains of its patriarch.

A mysterious ruin shrouded in more folklore than fact.

Now in ruins, this castle stood for centuries and saw a number of gruesome events.