This small, round building is the entrance to a bomb shelter built in anticipation of World War II.

Before becoming a poet John Keats studied here to become a surgeon.

This life-size monument honors the legacy of a famous literary feline.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

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

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

Preserved behind glass, the ruins of a medieval building used to store human remains.

Visit on a Sunday morning to see some killer tricks.

A building that survived WWII, possibly on the virtue of its name alone.

According to legend, this tomb holds the secrets to time travel.

William Smith's iconic "map that changed the world" is hidden behind a curtain in the Geological Society building.

It celebrates a very stinky task and salutes London's fatberg-vanquishing team.

The grounds of this Jacobean estate contain one of the oldest mulberry trees in England.

England's most famous front door has an accidental doppelganger.

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

Where Aleister Crowley attempted to seize the Hermetic Order of the Golden Dawn in a mask and a kilt.

A unique tribute to the millions of animals who served and died for the British military.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

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

The ritual has been performed uninterrupted for nearly 700 years.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

A domino effect created with Britain’s iconic telephone boxes.