19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Pop culture has helped to keep this iconic British building from being destroyed.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

England's most notorious suicide spot.

Collection dedicated to brands, packaging and advertising.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

This Scottish bridge seems to compel dogs to leap to their death.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

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

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Giant, friendly pelicans in Central London, the most unlikely of places.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

A clock designed to run with perfect accuracy for 10,000 years.

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.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

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

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

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

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.