During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

The narrowest street in Paris.

A wonderful museum dedicated to the local straw hat industry.

Where the lovelorn find a home for their sentimental keepsakes.

The bartenders at this crime-fighting theme cafe are actual private detectives by day.

A taste of the macabre Tokyo's ritzy shopping district.

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

A magical place that lets you play in and explore the world of Studio Ghibli.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

The largest toy museum in Poland showcases Europe's history of childhood.

These massive moving sand dunes have swallowed an entire village and are still on the run.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.