Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Staves, storm-calling, and of course, necropants.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

A snapshot of the city's fascinating voodoo culture.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

A toxic ghost town sitting atop a massive coal fire.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

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

The hidden lair of an alchemist rediscovered in a 2002 flood.

This artificial cave looks like something out of a fairytale.

A bloodstain from "the wound of the transverberation of the heart."

This modest post office sits on the site of H.H. Holmes' famous murder castle.

Where old school Polish Chicago and young hipster Chicago live side by side.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

A European-style bath house in Chicago.

Cemetery featuring rare glass-fronted columbarium.

These pretty kitties killed and ate as many as 135 railway workers.

A hollow cement depiction of time's inexorable effect on the human body.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A science teacher's dream.