Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

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

The curious underground history of keeping Paris clean.

How did a French journalist’s grave become the sexiest statue in the cemetery?

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

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

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

This massive library holds what was once the largest book collection in the world.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

The taxidermied remains of a once-great parrot.

The last four extravagant street signs of London's historic banking street.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.