Metal monsters made from repurposed materials lurk alongside this Pennsylvania road.

This heritage museum highlights the importance of the dairy cow as a vital part of rural Maryland's past, present, and future.

The center of this Polish border town was so thoroughly wiped out in World War II that only the foundations remain.

What was once an underground Nazi city is now Europe's largest bat reserve.

One of only two places in the world where two rivers cross each other without the waters mixing.

An impressive monument to Poland's independence.

A tribute to the first human in space.

A cluster of headless, armless sculptures looms within a popular Polish park.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

The site of one of the largest prison escapes of World War II.

This curious sculpture represents the perseverance needed to take to the skies.

A museum honoring Germany’s cucumber mecca offers a great dill of gherkin history.

The world's most delightful not-NOT-religion welcomes visitors to the town of Templin, just like its more stoic peers.

Largely overlooked, this little fountain on Museum Island is a whimsical tribute to a Prussian king nicknamed the “Fatty Flounder.”

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

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

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

A monument to the man who almost killed Hitler.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.