The site of the first battle of World War II.

While the U.S. and Soviet Union were engaged in a space race, Poland built a UFO on the ground.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The "dragon babies" of southeastern Europe.

One of the world's oldest olive trees, thought to be over 2,000 years old.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

These massive moving sand dunes have swallowed an entire village and are still on the run.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

Too much gossip or just missing curfew could land you in here for a couple of days.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

Old cabin-like homes in a rural community untouched by time are known for their vibrant and colorful window shutters.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

An artificial hill and apparent calendric structure built in the Early Middle Ages immortalizes a legendary Polish princess.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.