Best 23 Horror Movies Must-Watch Released in 1971

Doctor, scientist, organist, and biblical scholar Anton Phibes seeks revenge on the nine doctors he considers responsible for the death of his wife. Read about The Abominable Dr. Phibes / IMDB / YouTube

A reporter and a blind puzzle writer investigate a series of murders connected to a pharmaceutical company conducting secret genetic experiments, finding themselves targeted by the killer. Find out about The Cat o' Nine Tails / IMDB / YouTube

A recently institutionalized woman has bizarre experiences after moving into a supposedly haunted country farmhouse and fears she may be losing her sanity once again. Check out Let's Scare Jessica to Death / IMDB / YouTube

In early 18th century England, the children of a village slowly convert into a coven of devil worshipers. Details on The Blood on Satan's Claw / IMDB / YouTube

An anthology of four horror stories revolving around a mysterious rental house in the U.K. Explore The House That Dripped Blood / IMDB / YouTube

While passing through a vacation resort, a newlywed couple encounters a mysterious, strikingly beautiful countess and her aide. Look into Daughters of Darkness / IMDB / YouTube

A religious sect led by Gustav Weil hunts all women suspected of witchcraft, killing a number of innocent victims. Young Frieda, Gustav's niece, will involve herself in a devilish cult, and become an instrument of Justice in the region. Explore Twins of Evil / IMDB / YouTube

A social misfit uses his only friends, his pet rats, to exact revenge on his tormentors. Check out Willard / IMDB / YouTube

After arriving in Vienna with her diplomat husband, a woman is stalked by a mysterious, razor-wielding maniac, with people around her getting killed one by one. Check out The Strange Vice of Mrs. Wardh / IMDB / YouTube

In Turkey, a lesbian vampire - who uses an erotic nightclub act to find new victims - lures a lawyer to her private island under the pretense of resolving an inheritance issue. More about Vampyros Lesbos / IMDB / YouTube

A mad scientist transforms himself into an aquatic killer. Look into Zaat / IMDB / YouTube

A group of Satanic hippies wreak havoc on a small town where a young boy whose sister and grandfather were victimized by them tries to get even--with deadly results. Get info on I Drink Your Blood / IMDB / YouTube

A strict headmistress runs a secluded school for wayward girls in 19th century France, whose students are disappearing under mysterious circumstances. See more about The House That Screamed / IMDB / YouTube

Two young English women go on a cycling tour of the French countryside. When one of them goes missing, the other begins to search for her. But who can she trust? Look into And Soon the Darkness / IMDB / YouTube

Young blind Sarah is staying with relatives in their English countryside manor. An unknown maniac enters the house and murders all of Sarah's relatives. When the culprit realizes that Sarah is still alive, he pursues her. Get info on See No Evil / IMDB / YouTube

A Victorian scientist tests a serum that transforms him into a lascivious murderess. Details on Dr Jekyll & Sister Hyde / IMDB / YouTube

In 1830, forty years to the day since the last manifestation of their dreaded vampirism, the Karnstein heirs use the blood of an innocent to bring forth the evil that is the beautiful Mircalla - or as she was in 1710, Carmilla. Learn about Lust for a Vampire / IMDB / YouTube

An investigator seeks to determine the legitimacy of a life insurance payout being made to a heiress in the wake of her husband's death, but he soon finds himself suspected of her murder. Get info on The Case of the Scorpion's Tail / IMDB / YouTube

Vampire Barnabas Collins is accidentally released from his centuries-long confinement at his family's estate in Maine. He targets his clueless descendants who live there now and pursues Maggie, the incarnation of his lost love. Learn about House of Dark Shadows / IMDB / YouTube

An old, dying satanist arranges to transfer his soul into the body of a young concert pianist. Check out The Mephisto Waltz / IMDB / YouTube

Brilliant but arrogant scientist Victor Frankenstein builds a man from spare body parts, only for the monster to come alive and wreak havoc. Details on The Horror of Frankenstein / IMDB / YouTube

A maverick, heavy-drinking journalist pursues a killer who is targeting acquaintances of his, prompting the police to brand him a suspect in their investigation. See more about The Fifth Cord / IMDB / YouTube

Baron Frankenstein's daughter and his assistant/her lover continue his experiments in an attempt to rebuild his legacy after he is killed by his psychotic, murderous first monster. Details on Lady Frankenstein / IMDB / YouTube