This cheese shop also houses a museum devoted to Dutch dairy.

A beautifully eclectic mix of architectural styles.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

The attic of a four-century-old canal house hides a clandestine church.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

A floating cat sanctuary on an Amsterdam canal.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Cat art as far as the eye can see.

The world's only museum devoted to the wonders of fluorescence.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

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

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

A 300-kilogram egg sculpture that embodied a neighborhood revival.

An abandoned masterpiece of Soviet Brutalist architecture.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

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

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

These traffic lights celebrate the 100 year anniversary of the women's suffrage movement in Lithuania.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

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