The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This demon atop the Notre-Dame de Paris looks utterly bored.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

This lake-bound geographical marker sits at the point where three European countries intersect.

This roadside attraction looks like a flying saucer parked atop the tundra.

In downtown Oslo, a menacing and terrifying relief clings to a church wall.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

A restaurant and observation deck built in a unique broadcasting antenna.

Metro station with a claim to rock n' roll fame.

The "Prussian Versailles" that is as glorious today as when it was built.

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

Copenhagen's celebrated theme park and gardens.

The ritual has been performed uninterrupted for nearly 700 years.

An impressive museum dedicated to the resource that made the Scandinavian country rich.

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

Norway's oldest cathedral still in use.

The painter of "The Scream" is laid to rest under a stoic bust of himself in the humble corner of an Oslo cemetery.

A reconstructed farm shows what life was like in Norway 1,500 years ago.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

The world's northernmost aquarium looks like it has fallen over.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.