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

A surreal museum of extraordinary industrial objects.

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

Ever-growing collection of devils in art.

This former Nazi labor camp is now a poignant memorial, complete with giant Soviet-style monuments.

Just another terrifying garden filled with hundreds of endlessly smiling doll people.

Built to ward off Napoleon's army, this city-sized abandoned Russian fort is now perfect for urban exploration.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

This enigmatic artifact remained buried in a churchyard for years.

A black cat protests the City Guild in Riga's Old Town.

3,000 market stands in five former Zeppelin hangars.

This ornate church has survived Nazi and Soviet occupation, including a short stint as a Soviet-era gymnasium and cinema.

A memorial to the murdered Jews of Kaunas.

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

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

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

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.

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

This striking structure is the Socialist-modernist centerpiece of a former Soviet spa resort.

Open-air museum with a large collection of Soviet-era statues.

A little sculpture with a large wardrobe.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

A larger-than-life statue of the German revolutionist stands proud in a small town where he never lived.