High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

A surrealist timepiece by the artist of melting clocks.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

The first green space constructed on an elevated viaduct.

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

This Parisian fountain is a little bit fantasy and a little bit nightclub.

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

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.

The narrowest street in Paris.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

This bridge was constructed from the rubble of the infamous Bastille.

The final resting place of the "father of special effects."

Dedicated to the history and culture of smoking, this small museum now includes a vape lounge.

The historic Masonic Lodge in which the first-ever female Mason was initiated.

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

A charming flea market shop dedicated to retrofuturistic apparati.

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

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

A 400-year-old church covered floor to ceiling in ex-voto offerings from the faithful.

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

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

A series of abstract, silly sculptures represent the works of a great modern classical composer.