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

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

The remains of the medieval wall that once surrounded Paris with ties to the construction of the Louvre.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

A haunting collection of the vanished and disappearing natural world.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

This facility has manufactured stunning tapestries for France's royalty ever since the 17th century.

After immigrating to Paris in the 1970s, two brothers from Laos built a grocery store empire.

A pink sandstone column once used in ancient times to measure one's belly after a night of debauchery.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

This museum houses an imposing skeleton army comprised of creatures great and small.

A gruesome combat between a hunter and a furious momma bear.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.

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

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

It's good luck to be mocked by this monkey.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Building owners can take out tiles for free at this repository for historic building materials.

This giant sculpture made of trash is a critique of society's wastefulness.

Giant topiary dog once played a role in a terrorist bomb plot.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."