This striking royal residence is the largest Renaissance-style castle in Scandinavia.

Hundreds of mossy stones engraved with bits of philosophy, literature and random musings.

A Very Low Frequency transmitter you can tune in on your PC.

This innocuous-looking button may have been used to assassinate a king.

Take a schvitz just like an infamous Soviet dictator while his unblinking eye looks on.

Controversy surrounded the creation of this anti-fascist statue.

Over time, this castle grew to encompass the entire island.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

Six beautiful wooden giants are hidden around Copenhagen.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

Heralded as the oldest statue in London.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

You've probably seen these distinctive orange-tiled columns on the big screen.

The secret meeting held in this building would forever change the world.

A spiralling hourglass-shaped tower rises from the forests in Denmark.

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

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 final resting place of a young stagecoach robber who refused mercy.

The house where a Danish physicist discovered the connection between electricity and magnetism.

Long before ultrasounds and modern testing, medical specimens like these conjoined twins helped physicians learn about congenital anomalies.

These waste baskets play a few risque messages to discourage littering.

The greatest amusement park in the world is wall-to-wall farting dogs, puking rats, and cows with exposed breasts for the whole family.

Once a meeting point for great thinkers, and the midpoint of the country.