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.

Dedicated to the untimely death of American balloonist and parachutist.

The first monument in Estonia that was made by an Estonian sculptor.

Rubbing the buttons along this statue's coat is considered good luck.

This 16th-century cemetery became a recreational park during the Soviet occupation—today it's a little bit of both.

A unique sculpture calls the outside of this steakhouse home.

This behemoth bovine guards an Estonian town and is a memorial to the lost species.