Legend has it that the devil itself built this portal on a dare.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

Saint Borromeo often prayed in this austere crypt during the 16th century.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

A brutalist gem towering over the heart of Milan.

Third time's a charm, or in this case, two testicles are.

The secret medieval communication system will whisk your words above the noise of the crowd.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

The enigmatic sculpture hides above an escalator in a Milan metro station.

In the 1940s, Italian architect Mario Cavallè built a dozen of these round homes in northern Milan.

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

Hidden masterpieces in a small church in the medieval city of Bergamo.

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.

At the entrance of this chapel is a fresco commemorating the dead from the plague outbreak of 1630.

It's believed that the dead were once taken out of houses through these now walled-up doors.

The author of Frankenstein is buried here, along with her parents and the heart of her husband, the poet Percy Bysshe Shelley.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

This witch statue remembers a time in England's history when fear trumped truth.

This mysterious eye has a debated purpose.

A fantastic example of Victorian railway engineering with two unusual decorative features.