Tucked in the back of this amazing antique store is an important piece of medical history.

A modern-day Lascaux cave underneath Paris.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

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

Site of a classic 19th-century physics experiment to prove the earth is rotating.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

France's national museum of scientific and industrial instruments.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

This modest marker near Notre Dame identifies the very center of Paris.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Paris' linguistic guide to the international language of, yes, love.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The oldest stone house in Paris was built by its most famous alchemist.

Abandoned railway line circling the city of Paris.

Notorious artist squat renovated into legal studios.

Sleep beneath the big screen at this old-school movie theater.

The sanctuary seems to either float atop the water or sink into the dirt, depending on the water level.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.