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

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

This Parisian café sticks almost exclusively to an ethos of reuse.

Abandoned railway line circling the city of Paris.

The oldest stone house in Paris was built by its most famous alchemist.

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.

A haunting collection of the vanished and disappearing natural world.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

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

A museum of carnival attractions where you are invited to ride the rides.

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

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 spectacular history of spectacles on display.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

This vast collection of smoking pipes from across the world spans centuries.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

Amsterdam's former hotspot for public executions and dissections.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

A unique collection of gilded age mechanical pianos.

This basement museum explores the art and artistry of fascism.