A statue honors the children who fought Nazis in Poland.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

The last king of Poland was interred in this church nearly 200 years after his death.

This extensive collection covers thousands of years of Polish military history.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

This 13th century Gothic brick castle is the largest in the world by surface area.

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

A striking public sculpture representing the period of martial law in Communist Poland.

Relive a Polish uprising via an enormous, century-old cyclorama.

The silly symbol for an underground protest group is now scattered around the city.

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

This fairytale medieval church in Poland originally spent centuries in Norway.

On this Polish road, an optical illusion makes cars seem to roll uphill.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Naturally formed rock city in Poland.

An open-air museum of 18th-century homes and churches transported from various villages in Southern Poland.

The majority of the highest mountain in Poland is actually located in a different country.

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

A cathedral resurrected from the ashes of one of Europe's greatest urban fires.

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

The ruins of a 13th-century monastery that long served as a place of refuge from wars and raids.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

Dozens of Soviet-era trains and carriages fill this outdoor museum.

Nearly three decades since the fall of the Soviet Union, the hero of the USSR still stands over Belarus.