A haunting collection of the vanished and disappearing natural world.

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

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

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

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

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

Abandoned railway line circling the city of Paris.

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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

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

A rare octagonal brick beacon on an isolated island in the Baltic.

The grandest stage for the world's foremost masters of invisible instruments.

A lumberjack in Finnish Lapland did not want to cut down his Arctic pines, so he offered them up to be adopted by nature-lovers.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

The last permanent exhibit dedicated to the Soviet leader.

These Finnish rapids have been attracting tourists for over a hundred years and are now released with the push of a button.

The etchings on this narrow channel between two islands bear witness to maritime travelers who have passed through since the Middle Ages.

This disused church, left to the elements of the Arctic Circle's forests is open for exploration.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

A little-known sculpture park of contemporary environmental art in a Lapland forest.

A beautiful Arctic museum and nature center preserves the culture of the Sámi people.

Finnish lake, and scene of an infamous murder mystery.

Crawling into this primordial cave may feel disconcertingly familiar.