Ride in 1960s style on the private luxury train Marshal Josip Tito used to travel around Yugoslavia.

In the hinterlands of Serbia's capital, a giant reflective mushroom houses an aeronautical history of the former Yugoslav republic.

A pair of connected skyscrapers form this symbolic gateway.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

A misnamed well, with a deep dark past.

A Serbian church lit by chandeliers made of weapons.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

This poignant art installation raises awareness of violence against women.

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

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

A Milanese café entirely designed by the American director Wes Anderson.

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

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

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

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

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

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

A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

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

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

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

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

Remnants of cone-shaped fascist bomb shelters in Milan.