One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

Nordic giants resurrected from the sea and restored to their former greatness.

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.

Copenhagen's celebrated theme park and gardens.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A Museum of Psychiatry in a still-operating mental institution.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This one has sailed five times as far as Sir Francis Drake's famous ship.

A museum wholly devoted to juvenescence.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Eighty million natural history specimens call this gargantuan museum home.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

The curios of pharmacist and collector Henry Wellcome.

This Torino museum honors a soldier who kept the city safe using barrels of exploding gunpowder, losing his life in the process.

When this funny little building went up in the 19th century, most people thought it would simply fall over.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

A fake medieval village in the middle of Turin.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

The first green space constructed on an elevated viaduct.