A wooden street sign is the last remnant of this 400-year-old alleyway.

Stockholm's tiniest statue is of a small boy looking at the Moon.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

Enormous ants wielding giant pine needles guard a Stockholm real estate company's office.

This bronze marker acknowledges an embarrassing royal blunder.

Swedish skyscraper with a 90° twist.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

The marker that allows students all over the world to be late for class.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

The standard measure of Lagom, a measure of what is enough.

A modern, secular take on a traditional Virgin Mary motif.

These ancient rune stones plucked from the countryside now call this university park home.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

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

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.

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

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

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

A symbol for the opposition to nuclear power around the world.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Climb to the top of its spiral spire for spectacular views of Copenhagen.