The only structure left with direct ties to the Salem witchcraft trials of 1692.

These aggressively sustainable art homes look like something out of 1970's science fiction.

The legend says that this English rock formation was once a hunter who was turned to stone by annoyed witches.

The mark of the Devil's horns on a marble column in Milan.

An unsettling painting of three faceless sisters that is surrounded by history and legend.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

For hundreds of years, this huge figure has been blessing visitors before they explore his body.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

The largest Neolithic ruins in the world hide a notably clean prehistoric metropolis.

This Paris art space celebrates the creativity and ingenuity that springs from abject poverty, especially in Africa.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

This hidden natural fountain issues forth a steady supply of supposedly healing water that tastes like rotten eggs.

Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

A museum dedicated to exhibiting remarkable outsider art.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

A museum of magic with a Sadist past.

A surrealist timepiece by the artist of melting clocks.

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

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

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

Dedicated to the art of hunting, with juxtapositions of contemporary art.