This church, better known for its weeping portrait of the Virgin Mary, also houses the world's oldest existing piece of taxidermy.

The walls of this tiny Italian church are entirely covered with frescoes.

Nestled in the heart of Milan is a real wunderkammer of morbid curiosities.

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

Remnants of cone-shaped fascist bomb shelters in Milan.

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

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

Vast network of air raid tunnels beneath Lombardy's capital.

The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.

"The prettiest love letters in the world" ... or so said Lord Byron.

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

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.