This coffee shop lies hidden beneath a historic church.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

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

London's old-school healing garden.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A network of concealed passageways lies within a busy London Underground station.

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

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

A little slice of Japan and its aesthetics in London's Holland Park.

Catacombs turned marketplace.

This 1920s Dutch barge is now a floating bookstore.

This South London cemetery holds the remains of more than 15,000 people.

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

A kaleidoscopic warehouse-maze of handmade neon signs.

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

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

Baroque celebration of the end of the Great Plague of Vienna.

An allegorical statue of a giant pregnant woman representing justice and truth.

Take a sea tractor to the Art Deco hotel on the island that inspired Agatha Christie.

A circle stone within a stone circle.

A neolithic dolmen that was rebuilt after collapsing during the 19th century.

Arthur, Merlin, and Guinevere are among the largest and oldest satellite dishes on the planet.

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

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.