Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

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

The tomb of history's greatest potato promoter is surrounded by tubers.

The last Viking king of Denmark is buried inside the crypt of this cathedral.

Morocco's Argania trees are infested with nut-hungry goats.

The forgotten remnants of a land-to-sea cable car that was once unique in the world.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

This Dalecarlian horse is about the size of a pinhead.

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

A micronation on an islet along the coast of a Portuguese island.

A lush oasis full of vibrant plants and striking geometric displays.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

These small, triangular, colorful houses are a staple of Madeira Island.

This large, circular tomb is the final resting place of the first emperor of Rome.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.