This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

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

A tree planted by Marie Curie is treasured by the Radium institute that she set up.

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.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

A statue honors the children who fought Nazis in Poland.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A hidden art gallery in an abandoned Warsaw fort.

Man-made mineral caves house massive bat colony.