One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

Once a train station along the Great Eastern Railway this vibrant coffee shop and bar is where members of London’s creative class mingle.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

Explore nearly 400 years of English middle-class home life.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

A village on the east coast of England that has almost completely eroded into the North Sea.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

This stately estate house features a tower covered in a bright, modern mural.

The stately remains of Llywelyn the Great's mighty fortress.

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

A subterranean playground in an abandoned slate mine.

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

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.