Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

It's always summer at the beach inside this former airship hangar.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

This unique Lady Liberty is one of the only examples of the figure sitting down.

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

Swedish skyscraper with a 90° twist.

It houses the remains of a 17th-century version of the Titanic.

Sweden's oldest animated sign is still lighting up the skyline today.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

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

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

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

Copenhagen's celebrated theme park and gardens.

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.

A giant scale model giving a sneak peek at what urban planners see for Shanghai by 2020.

This former textile district now is now a thriving center for contemporary Chinese art.

An out-of-place slice of France, smack in the middle of Shanghai.

The once highest point in China blends symbolic design with a kick of adrenaline.

A son-and-daughter meat market, hawked by mom and dad.

A quaint Russian village in the middle of a German metropolis.

Have a seat with the father of modern computing at this Manchester monument.