A memorial to the atrocities of the People's Socialist Republic of Albania.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

This virtually windowless mass of smooth concrete is the only Catholic church in the city.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The original stone marking the interwar border between Germany and Poland sits in this unassuming village park.

A tribute to the first human in space.

An impressive monument to Poland's independence.

An abandoned football stadium with a tragic past.

This towering statue of Jesus provided internet to the surrounding area.

A secluded oasis of contemporary art and natural beauty.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

People have been making salt here using traditional methods for centuries.

One of the world’s only pink lakes where it's possible to take a dip.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

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.

At low tide, you can see the remains of a 17th-century ship just off a Stockholm island.

The Swedish flag over this small naval fort signals that the nation is at peace.

A miniature statue of a beloved character from children's literature.

Contrasting the old concrete courthouse beneath, a modern and colorful residential marvel has emerged, stirring both acclaim and controversy.