2300-year-old Roman road connecting the empire.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Dolls of all shapes and sizes display the eras of femininity in this spooky and beautiful collection.

A short distance from the Eiffel Tower is the final resting place of several of the city’s more well-known and interesting characters.

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

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

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

This banal Parisian entranceway is not what it seems.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

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

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

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

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

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

A surrealist timepiece by the artist of melting clocks.

France's national museum of scientific and industrial instruments.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.