A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

More than a million titles fill the labyrinthine shelves of this prestigious private library.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

A historic hill of tall tales, with one rather special tree.

These ornate arches show how the course of the River Thames has changed.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.

Tombstones and enigmatic inscriptions hide within a vault beneath a popular London arts venue.

On a wall in linear London, a plaque hangs at the high water mark of one of the worst floods in fictional Kcymaerxthaereal times.

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

A plaque marks the underground site of one of London's "lost rivers."

A Roman spa buried deep beneath the City of London.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

This overlooked street light once served as a KGB dead letter box.

Murals of the wild parties once held on the frozen River Thames.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

The breadfruit-adorned final resting place of the infamous Captain of the HMS Bounty.