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

When the plague struck York, this stone was used to leave supplies for the sick.

Semaphore saints, a golden dragon's head, and a stone carved with religious warnings all call this cathedral home.

One of the shortest streets in York has an especially odd name.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

A century-old tradition has culminated in a small but singular collection of feline effigies.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

The oldest operating pharmacy in the world features 800-year-old recipes.

Notorious artist squat renovated into legal studios.

An open-air sewer system that was covered piece-by-piece over 300 years.

Nature is slowly overtaking this disused cemetery on the outskirts of Brussels.

This impressive collection of skulls and bones was gathered by an ex-zookeeper who took advantage of a pig plague.

Visitors to this Belgium graveyard are greeted by the grieving stone parents of the young men lost to war.

Medical history with an amazing, if frighting, collection of wax diseases on display.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

Was this cave created by Hercules's wrath, the devil, or volcanic activity?

The stoic structure boasts a whimsical set of stained glass art commemorating Lewis Carroll.