Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

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

A unique waterfall that some believe attracts the fairfolk.

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

Repository for more than 22 million pickled specimens.

A modern English garden of eccentric beasts, follies, and oddities.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

The final resting place to 300 Victorian-era pets hides inside the city park.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

The largest greenhouse in the world is home to over one million types of plants.

400-year-old garden, restored to beauty.

A 18th century graveyard and its astonishing cortege of macabre iconography.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

London's smallest police station is barely the size of a phone booth.

An incarceration museum on the spot of possibly the oldest prison in England.

Eighty million natural history specimens call this gargantuan museum home.

This series of Scottish caves has no clear purpose other than baffling historians.

These tiny effigies are believed to represent victims of Edinburgh’s notorious Anatomy Murders.

The site of London’s first coffee house has been serving refreshments of one kind or another for 360 years.

Catacombs turned marketplace.

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

A historic house left in "dramatic still life."

This tangled English forest looks like something right out of a fairytale.