The first green space constructed on an elevated viaduct.

The celebrated eyesore created by starry-eyed sweethearts.

Marie Antoinette and Napoleon Bonaparte were fans of this 200-year-old French chocolatier.

The largest medical and anatomical collection in France lies hidden from the public.

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

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

The narrowest street in Paris.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

A surrealist timepiece by the artist of melting clocks.

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

This 400-year-old tree is actually an immigrant from North America.

The video game-themed street art first popped up in the French city.

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

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

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

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

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.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

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

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

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