This secluded walkway overlooks a magnificently wild London green space.

A museum wholly devoted to juvenescence.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

The remains of the great moral philosopher reside in a university in London.

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

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

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

London's old-school healing garden.

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

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This 17th-century mausoleum is topped with an acoustic marvel.

Three underground crypts and a pointed arch under the bell tower make this cathedral unique among Romanesque churches.

This overgrown Victorian chapel made of corrugated metal looks utterly out of place.

This candy-colored storybook village originated as a 19th-century Methodist campground.

Scotland's oldest purpose-built concert hall houses an incredible collection of ornate, centuries-old keyboards.