The world's first combination ski slope and power plant.

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

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

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

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

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

After funding was cut for a memorial to the Danish author, the sculptor had his statue ceremonially lowered into the city harbor.

The footprint of a frustrated devil in Munich's Cathedral.

Four-story slides send people whizzing through the math department at this Munich university.

These lights mark the area of Rotterdam that was bombed and burned in 1940.

The Rozenberg wind wall in South Holland makes for smooth sailing through the Calandbrug canal.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

This giant wire frame man sculpture is crouched in contemplation.

Science meets wall art to highlight the beauty of famous mathematical equations.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

The former headquarters of history's oldest megacorporation.

This neighborhood of futuristic ball houses looks like an alien settlement in a science fiction film.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

The world's first interactive human body museum also serves as a chair for a giant orange man.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

Blitzkrieg bop your way through Berlin's Ramones Museum.