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

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

A map store filled with original Cold War era Russian maps of the world.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

The original burial place of this preeminent 18th-century Jewish philosopher was razed by the Nazis.

For more than 170 years, this family-run bakery has been serving Berlin’s best Baumkuchen, or “tree cake.”

Once a path for Jewish funeral processions, this unassuming alleyway is rich in local lore.

This monumental work of art symbolizes the coming together of a previously divided city.

This sprawling Jewish cemetery is one of the largest in Europe.

Reminders of the Battle of Berlin still scar the railway.

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

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

The oldest stone house in Paris was built by its most famous alchemist.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Abandoned railway line circling the city of Paris.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.