A natural wonder in south Denmark.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

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

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Danish observation tower designed to look like a giant beer bottle.

A walkable map of the world, made from soil and stone by one man.

Six beautiful wooden giants are hidden around Copenhagen.

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

This sublime architectural marvel is a rare example of an expressionist church.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Copenhagen's celebrated theme park and gardens.

Amsterdam's Red Light District leaves little to the imagination.

A condensed piece of China floating in a Dutch harbor.

A large measuring stick marks the lowest point of a country that is partially under sea level.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

This unique sculpture proved invaluable when it saved a train from careening off the tracks.

While most bridges allow roads to pass over water, this one allows water to pass over a road.

For over 100 years the most important physicists in the world have autographed this university wall.

The tallest mountain in mainland Netherlands isn't actually very tall.

Watch the local Netherlands birds from inside this giant eco-egg.

Once housed in the towers of this Gothic church, this 17th century clock still ticks today.

Graffiti covers the walls of a room where university students through the centuries have waited nervously to defend their theses.