Religious horror where evil hides in a small town/community under the pretense of religion or horror involving a church that seems legit from the outside but has some sick and twisted eldritch secrets?

Religious horror where evil hides in a small town/community under the pretense of religion or horror involving a church that seems legit from the outside but has some sick and twisted eldritch secrets?

Religious horror where evil hides in a small town/community under the pretense of religion or horror involving a church that seems legit from the outside but has some sick and twisted eldritch secrets?
from /r/booksuggestions