According to legend, this structure was inspired by the Tower of Babel and built in a 19th-century industrialist's yard so he could walk his dogs without leaving home.

Once the center of power for the region's various factories.

Modern art commemorates one of the first military actions of World War II.

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

This antique thermometer honors the creator of the first universal temperature scale.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

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

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

This imposing 20th-century castle was abandoned before it was ever completed.

Museum dedicated to "the man who moved the Earth."

A huge wooden clock that is so beautiful its creator was forcibly blinded.

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

The site of the first battle of World War II.

The rock carving that became an internet meme.

The library's graceful rotunda is like a bibliophile's temple.

Part of an abandoned19th-century fortress hides in plain sight inside a modern office building.

This unique sculpture is often overlooked by pedestrians.

A statue that stood at the center of a long copyright battle.

Not far from the busy city lie these remains of a time when the world was on fire.

A concrete mushroom that divided Stockholm residents for nearly a century.

The indecision over what to place in this square was immortalized with a plaque.

This park built on a former fortress has a reputation for romance.