Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Op-art architecture designed for happiness.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

Apartment complexes built into huge repurposed natural gas tanks.

Handsomely crafted representations of our round planet.

Museum devoted to the artificial language of Esperanto.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

A golden egg-shaped sauna in the Arctic tundra.

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

Swedish skyscraper with a 90° twist.

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

A museum filled with tiny, adorable versions of the mighty Royal Danish Navy.

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

Copenhagen's celebrated theme park and gardens.

WWII artifacts, including the building itself.

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

The largest whale museum in Europe allows visitors to walk among life-size giants.

This monument to one of the largest science fiction games of all time bears the names of hundreds of thousands of players.

This stunning concert hall has become a symbol of Iceland's national recovery.

This tiny museum's sizable collection is jammed into a former underground public toilet.

A vintage video game wonderland in downtown Reykjavik.

The world's largest reflecting pool is just two centimeters deep.

Sidney Scurvy, the interactive computer sailor, takes you on a journey to discover the everyday lives of Cook and his men.