Discovered in a peat bog, these horned helms come from a thousand years before the Viking Age.

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

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

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

The pretty iron lamp is a reminder of the architecture underneath London's streets.

England's most famous front door has an accidental doppelganger.

A series of carved figures that scandalized British society.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

These ornate arches show how the course of the River Thames has changed.

An agreement meant to honor the Duke of Buckingham led to this unusually-named passageway near Charing Cross.

A living memorial to the trees London lost during the Great Storm of 1987.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

Tucked away in a London Tube station, this 1920s linear clock shows the time across the world all at once.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

This luxury shopping lane has been protected by its own tiny police force for over a century.

A statue honoring a preeminent 19th-century dandy and important figure of men’s fashion.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

This overlooked street light once served as a KGB dead letter box.

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.

A unique tribute to the millions of animals who served and died for the British military.

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