Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

An off-the-beaten-path boutique stuffed with an eclectic collection of upcycled goods.

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

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

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

Egyptian Revival movie palace abandoned for decades and restored in 2013.

Indents in the pavement are all that remain from a grisly death machine in Paris.

A surrealist timepiece by the artist of melting clocks.

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.

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

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

Paris' linguistic guide to the international language of, yes, love.

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

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

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

A 142-foot-tall Q-tip on Bristol's skyline.

A medieval cave used to shelter local hermits now holds nearly 200 old Quaker gravestones.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Elaborate stone houses constructed from the ruins of war.