The celebrated eyesore created by starry-eyed sweethearts.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

An entire shopping mall and industrial terrain named for the time the king of Sweden's car went into a ditch.

One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.

The final resting place of one of the brightest physicists of the 20th century.

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

This one-time health resort was used by aristocrats around the world.

Inspired by the Rialto Bridge in Venice, these three clustered bridges were just one part of a Slovenian architect’s grand vision.

When this monument to Slovenia's national poet was erected, it's said to have sparked the ire of nearby church authorities.

A whimsical bridge adorned with decorative dragons.

Buy raw milk from a 24/7 vending machine or pick up tomb candles at this local market.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.

Massive galleon from a box-office bomb docked in Genoa.

An ancient theatre in the "little Rome of the Alps."

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

An early 20th-century bullring converted into a modern shopping center.