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

The world's longest bridge fountain has hundreds of nozzles that create a beautiful, illuminated spectacle.

On top of a hill, this Catholic church overlooks the most Catholic island in Greece.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

A museum dedicated to the least secret spy is actually an attempt to get Hollywood's attention.

The demolished ruins of a poorly located Japanese Love Hotel.

The oldest academic institution in Japan provides a glimpse of university life during the days of the samurai.

The third-tallest statue in the world depicts the "Buddha of Infinite Light," complete with observation deck in his chest.

After being lost for decades, this striking mural depicting the atomic bomb covers the wall of a busy Tokyo metro station.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

Modern Japanese museum is buried by snow annually.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

Sleep in a climate-controlled plastic bubble for the night.

Saintly bones pressed into a wax effigy of a Catholic superstar.

These quaint French houses dangle precariously over a precipice.