My personal votes would go to both Jeepers Creepers films. I remember particularly enjoying the second one, though the first is excellent. Despite the questionable background of the director, these are two of my favourite modern horrors.
I love Jeepers Creepers.
I like the concept of the monster & its remorseless nature, plus the fact that it wins in the end.
The second isn't as strong, but still a decent watch & I think it was ripe for a 3rd outing just to finish it, but it looks as if it isn't going to happen, as it's been 10 years since number 2.