1. Sequels That Don't Suck

Fans of horror films, like "A Nightmare on Elm Street 3," "Psycho II," "The First Purge," "Bride of Chucky," "Scream 2" and "Gremlins 2: The New Batch," say sometimes sequels are as good or even better than the originals.

2. Infections

Horror has warned about pandemics for years, in films that mirror reality ("Outbreak," "Contagion," "12 Monkeys"), surreal plagues ("Shivers," "Rabid"), zombie outbreaks ("REC," "Pontypool") and pathogens from space ("The Andromeda Strain").

3. Psychics

In films like "The Dead Zone," "Scanners," "Doctor Sleep" and "Beetlejuice," horror superstars Stephen King, David Cronenberg, Mike Flanagan, Brian DePalma, Sam Raimi, Peter Jackson and Tim Burton bring psychic powers to the screen in thrilling ways.

4. Apocalyptic Horror

The apocalyptic visions of "World War Z," "Train to Busan," "Zombieland," "War of the Worlds," "I Am Legend," "The Omega Man," "10 Cloverfield Lane," "Night of the Comet" and "The Invasion of the Body Snatchers."

6. Mad Scientists

From Frankenstein to Frank N. Furter, mad scientists smash the barriers of polite society; featuring "Frankenstein," "Ex Machina," "The Invisible Man," "The Fly," "Dr. Jekyll and Mr. Hyde," "Altered States" and "The Rocky Horror Picture Show."