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

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

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

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

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

In the summer, the area around this sculpture transforms into a vibrant concert venue.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

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

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

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

Here, visitors can swing with the waves of the Pacific Ocean.

This building has survived for more than a century and remains virtually untouched.

This is the oldest Roman-made bridge in the city still existing in its original state.

This ancient market is often referred to as the oldest shopping mall in the world.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

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

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

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

Vines grow up the metal bars in this public park created from an old machine factory.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

One of downtown Berlin's last reminders of its Communist past.

The most visited, and possibly most controversial, museum in Germany.

Reminders of the Battle of Berlin still scar the railway.