This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

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

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

Eighty million natural history specimens call this gargantuan museum home.

An incarceration museum on the spot of possibly the oldest prison in England.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

Catacombs turned marketplace.

The remains of Crystal Palace Great Exhibition of 1851.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

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

Remnants of a Victorian garden feature sitting in public woodland.

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

A historic house left in "dramatic still life."

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Banksy gives themself artistic license with this piece of London street art.

Hear the quietest sound from across the dome.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

The curios of pharmacist and collector Henry Wellcome.

A kaleidoscopic warehouse-maze of handmade neon signs.