A memorial to a dog that inspired rioting in the streets of London.

The remains of the great moral philosopher reside in a university in London.

These morbid carvings remind churchgoers of the inevitability of death.

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

Pop culture has helped to keep this iconic British building from being destroyed.

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

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

The television series' iconic giant foot was borrowed from this classical painting.

This hidden green space is the city's second largest conservatory.

A cluttered and astounding collection of antiquities and curiosities.

The curios of pharmacist and collector Henry Wellcome.

A student driver's nightmare.

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

This 1920s Dutch barge is now a floating bookstore.

This South London cemetery holds the remains of more than 15,000 people.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

A collection of abandoned typographic signs from Berlin and beyond.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

Art and a pun, all in one.

A wunderkammer of mysterious objects and stories.