Site of the first radio and telephone broadcasting companies in Copenhagen.

The only surviving piece of Copenhagen's 16th-century defensive wall.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

A collection of noses tucked inside an art museum reveals how times have changed.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

This chimerical bridge/tunnel appears to dead end right into the sea.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

Britain's answer to the NSA is based out of this deliciously-named circular headquarters.

Once the largest factory complex in all of Europe, this converted shopping center celebrates its industrial past in a big way.

A medieval relic whose great hall once hosted Mayflower pilgrims, one of Henry VIII’s ill-fated wives, and plenty of royal intrigue.

Believed to be the longest railway bench in the world.

The final resting place of England's most notorious bandit.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

An incredibly well-preserved piece of ninth-century Viking poop.

This popular square's history as the former site of a church is right beneath your feet.

One of the shortest streets in York has an especially odd name.

Follow the original medieval paths that wind through this intriguing section of the city.

Makers and sellers of the original and finest York Ghosts.

A Reformation-era fiery figurehead once denoted this location as a print shop.

This network of narrow, medieval passages has the most delightful name.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

A century-old tradition has culminated in a small but singular collection of feline effigies.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.