An archive of ceramic eggs painted to record clowns' personal makeup designs.

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

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Two plaques commemorate the site of Shakespeare's first theatre.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Catacombs turned marketplace.

Eighty million natural history specimens call this gargantuan museum home.

One part local history, 99 parts gruesome haunted house.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The celebrated eyesore created by starry-eyed sweethearts.

The video game-themed street art first popped up in the French city.

The final resting place of the "father of special effects."

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

How did a French journalist’s grave become the sexiest statue in the cemetery?

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

France's national museum of scientific and industrial instruments.