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

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

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

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

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

This micro-nation may be some sort of prank, but its constitution sure seems official.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Baroque celebration of the end of the Great Plague of Vienna.

The housing complex served as an anti-fascist fortress during the Austrian Civil War.

The world's second-tallest flagpole stands proud despite dropping rank.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

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

Swedish skyscraper with a 90° twist.

This chimerical bridge/tunnel appears to dead end right into the sea.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

The Swiss hilltop housed an early 20th-century vegetarian nudist colony.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

Death road of Bolivia.

This Transylvanian church has changed its denomination four times.

Romania's triumphal arch looks out over Bucharest.

The deadliest diving spot in the world is also a stunning geological marvel.