Sounds like something from a Lovecraft story. See, there are still debased cults down in the "swamps" of Louisiana.
Church Sex Case Stuns Louisiana Town
"From his tire store next door, Donald Moore got an up-close look at the strange changes that went on at the once-bustling Hosanna Church.
"For one thing, the congregation had dwindled to a handful of reclusive members who chased away visitors. For another, the windows were painted white so no one could see in. And just before it closed its doors for good a couple of years ago, eight dump trucks came in and spread dirt over the church's back lot." [via Jonny]