You've probably seen these distinctive orange-tiled columns on the big screen.

The non-native bovine herd was brought in to help conserve these Berlin wetlands.

One of the oldest cemeteries in Germany was originally used for victims of a cholera epidemic.

This sprawling Jewish cemetery is one of the largest in Europe.

The final resting place of many of Germany's most famous communists.

Cold war icon and onetime "hole" in the iron curtain.

Nature is slowly overtaking this disused cemetery on the outskirts of Brussels.

A tower marking the spot where Yugoslavia began its resistance against the invading Nazis stands neglected, but not quite forgotten.

Legend has it fairies gathered at the site of this medieval castle.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

These rusting, skeletal structures are monolithic monuments to Glasgow's industrial past

Water-themed sculptures guard this unusually square structure.

The abandoned transportation hub hides within the Glasgow attraction it once served.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

In Egypt's expanding metro area, many of the neighbors are dead.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This massive library holds what was once the largest book collection in the world.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This demon atop the Notre-Dame de Paris looks utterly bored.

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

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.