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

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

The "dragon babies" of southeastern Europe.

A miniature train-ride through Slovenia's largest cave system.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

This airport currywurst stand is made out of retro airplane parts.

An abandoned train station in Munich constructed for the 1972 Olympic games.

An Orthodox church inside a small "Garden of Eden" built by a man who had a vision.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

A decommissioned military complex that's now a modern industrial park.

An artist's cute bronze subway sculptures belie his violent artistic past.

Elevated freight railway turned wildly successful urban park.

The most confusing clock in New York.

Lie in a hammock where George Washington stood.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

A reminder to choose water over wine since 1888.

Have a steam and some blini at this cafe in a century-old bathhouse.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Try not to get slimed in Tribeca.