A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

Black cat statues guard this temple-like Egyptian revival factory.

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

The curios of pharmacist and collector Henry Wellcome.

Catacombs turned marketplace.

This luxury shopping lane has been protected by its own tiny police force for over a century.

A clock designed to run with perfect accuracy for 10,000 years.

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

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

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

This home on a quiet suburban street is completely covered with vibrant mosaics.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.