This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

This tiny structure was built by the creator of the Brooklyn Bridge.

More gold than anywhere else, ever.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This 19th century train workshop is a treasure trove of railroad history.

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Carved fountains poignantly placed in parks and in front of special monuments.

This wooden hotel is a temple to German sustainability and forest conservation.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

An architectural oddity of six stories, accessed by graceful ramps.

Baroque celebration of the end of the Great Plague of Vienna.

Shells collected from over a hundred different countries line the walls, floors and ceilings of this fantasy museum.

A tiny collection of traditional Japanese woodblock prints, open only when the owner feels like it.

The world’s first hotel to be run by robots.

An ordinary pond with fish from out of this world.

An unexpected curiosity cabinet hidden within a department store in the Japan Post tower.

A small island with no monkeys but plenty of military ruins.

This spa theme park lets its guests take a dip in pools of coffee, wine, or ramen broth.

The original "capsule building" is a masterpiece of Metabolist architecture.

Open-air museum with an elaborate sculpture garden, stretching for over 70,000 square-meters.

This historical theme park celebrates all things noodle.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.