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

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

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.

A surrealist timepiece by the artist of melting clocks.

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

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 site where two doves fell in love.

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

The location of this small park was once the site of an infamous public morgue.

The narrowest street in Paris.

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

The approximate spot where the last Grand Master of the Knights Templar was put to death.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

A museum dedicated to linguistics, from how babies learn to talk to endangered and extinct languages.

A poem by Arthur Rimbaud is inscribed on the wall of a street that, while it is only one block long, plays a key role in multiple novels.

This 18th-century sundial was designed to calculate the date of Easter each year.

An unusual number plate signifies the building's saucy past.

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

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

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

This emotive sculpture was originally created for the 1878 World's Fair.

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