The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

The history of radiation is on safe display at the foot of a radiation science laboratory.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

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

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

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

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.

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

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

Abandoned railway line circling the city of Paris.

Notorious artist squat renovated into legal studios.

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

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.

Rumored to have been frequented by Vincent van Gogh, it's the only remaining genever producer in the Hague.

A market built atop boats is one of the few floating holiday markets in Europe.

An overgrown and largely forgotten cemetery lies hidden within the outskirts of Amsterdam.

A true Valhalla for cactus and succulent lovers.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.