An optical Illusion once believed to be an electrical phenomenon.

This Georgian mansion blends historical significance with an impressive art collection within picturesque surroundings.

This remarkable sculpture symbolizes the regeneration in this Glasgow suburb.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

One of the first reinforced-concrete buildings built in the UK, now abandoned.

A sculpture commemorating the "world's best mouser" in what is likely Scotland's longest-running distillery

Scotland's first free lending library, which protects literacy through inheritance.

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

This Bronze Age boat was found buried remarkably intact in an English gravel pit.

A public art project to commemorate a tumultuous period in Derby's history.

This abandoned Brutalist tower looming over the M6 Motorway once featured a restaurant.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

This 17th-century pub once had a hole in its wall so the neighboring blacksmith could easily access beer.

Abandoned for over 20 years, this Art Deco seaside swimming pool is a magnificent waste.

This tower was created by the area's vicar as a shelter for exhausted travelers, complete with a fireplace and breathtaking views.

These Roman ruins in England’s Lake District are 2,000 years old, but look pretty good for their age.

A beautiful medieval bridge allegedly constructed by the Devil.

A bizarre stone beast lurks on the beach of a popular tourist island.

A medieval cave used to shelter local hermits now holds nearly 200 old Quaker gravestones.

There's a labyrinth of manmade tunnels stretching for over an acre beneath Bristol.

An alchemical monument that represents "Earth, Air, Fire, and Water."

A historic, reportedly haunted pub that provided inspiration for several famous adventure novels.

Designed to celebrate the queen's 40th birthday.

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."