An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

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

A tongue-in-cheek arcade where the games are based on everyday life.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

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.

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

Venice's island of the dead.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The mummified relic of St. Antoninus.

The middle finger of modernity.

An ancient artistic garden parlor full of hidden water wonders.

This taxidermilogical collection was assembled by a peltmonger turned animal activist.

This Italian pyramid is said to hold the mingled remains of the dead from both sides of the Battle of Novara.

This simple apartment may have inspired some of the most important theories in the history of science.

A dilapidated psychiatric facility on the outskirts of Milan where electroconvulsive therapy was developed and Napoleon once lived.

This secret Swiss fortress is disguised as a harmless pink house, complete with fake windows.

Artworks by loners, prisoners and the criminally insane.

Florentine Renaissance style building in Switzerland, home to the world's largest taxidermy Great White Shark.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.