A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.

A local legend says the theft of a holy relic explains the hand-shaped bloodstain on the facade of this cathedral.

One of Serbia's oldest luxury hotels and a nostalgic echo to Yugoslavia in the state's former capital.

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

This small bronze pyramid marks the center of Belgrade, but some say it is a Masonic symbol.

A NATO bombing took the lives of 16 civilians in 1999—the ruins remain in the center of Belgrade.

Memorial to the 89 children killed during the NATO bombing of Serbia.

A century-old prison in the heart of Vilnius is now a lively bar, dance club, and artist residency.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

A wide array of locomotives call this outdoor museum home.

A 15-foot-tall statue of the head of the Sopranos family greets passengers at a train station in southeastern Lithuania.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

This magnificent Art Deco church is a reflection of Lithuania’s turbulent history.

Folky pharmaceuticals abound in this medicinal reliquary.

The oldest funicular in Lithuania has been climbing this steep hill since 1931.

Ever-growing collection of devils in art.

Things aren't quite what they seem at this mind-bending museum.

A miraculous three-handed portrait of a saint can be found inside this church.

Rub it for a bit of good luck.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

This micro-nation may be some sort of prank, but its constitution sure seems official.