This man-made mound monument was built out of soil from all across the Polish empire.

Real bones which are said to have belonged to a Polish dragon.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

This museum in the tower of the oldest church in Gdańsk, is home to centuries-old time-keeping devices and the world's first pulsar clock.

This Communist-era residential block is one of the longest residential building in Europe.

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

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

An abandoned Nazi explosives plant founded by the inventor of dynamite is now an underground museum.

The biggest exposition of dental equipement in Europe. And a Mummy.

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

One of the largest amphitheaters in Europe is a former Nazi gathering place that still stands today.

Gliwice Radio Tower, likely the tallest wooden structure in the world.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

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

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

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

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

Once home to some 250,000 volumes and priceless art artifacts, this Polish estate was a target of bombing during World War II.

The final resting place of the last "gypsy king" of Poland.

Legend says a giant, venomous spider once dwelled within this Polish church.

This hidden collection of everyday objects illustrates life within communist Poland.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

The first, and perhaps only, monument dedicated to Wikipedia.

A bronze replica of an elm tree that honors the victims that perished in Pawaik Prison.