This magnificent mausoleum is as much a work of art as it is a historic resting place.

A charming flea market shop dedicated to retrofuturistic apparati.

Got apples?

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The personal library of the founder of modern neurology is open to visitors.

An odd museum dedicated to French fakes.

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

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

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

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Claude Monet was baptized in this lavishly ornate Paris church.

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

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

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

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

The narrowest street in Paris.

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

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

This off-limits room in the National Library of France is home to a system of pneumatic tubes, once used to bring books to readers.

A unrivaled and rather horrifying collection of wax dermatological models.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

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