A world-renowned paranormal researcher and the inspiration for "Ghostbusters," Hans Holzer wrote more than 140 books about his work, including his investigation of the Long Island home that inspired "The Amityville Horror."

Since 1930, visitors to the Oregon Vortex have been stunned by balls rolling uphill and other seemingly gravity-defying events — but is it all an illusion?

Likely inspired by the now-extinct giant vampire bats that once flew over Central America, it's no surprise that Camazotz was one of the most fearsome Maya deities.