EW takes a stab at picking the most essential slasher films, from the subgenre's origins with Norman Bates in 'Psycho' to classics like 'The Texas Chain Saw Massacre' and 'Halloween.'

The best body horror films explore gore and human transformation on levels utterly alien to other types of films, resulting in unforgettable stories.

Although Godzilla takes the crown worldwide, this 1953 classic is perhaps the best American film from the cycle of atomic monster movies that sprung out of the decade's intense Cold War paranoia. Here, the big fella — identified by one of the film's lab coat-clad scientists as a "Rhedosaurus" — is freed from its Arctic prison by a nuclear blast.

These are horror movies, spanning decades, and, thus, don't always, or often, offer up the healthiest representations of human sexuality. Whether it's vampire eroticism or horny teen campers, sex in movies is complicated,