What is the name of this haunted place?

Question

There's an old, run down castle-like place, I think somewhere in Europe, that used to be a building used for satanic worship. I saw a show once where two girls went to spend the night there and kept hearing voices and stuff and seeing shapes moving around outside of the delapidated building. It's said that satanic spirits frequent the place nowadays. Does anyone know what it's called?

I'll have to redescribe this place, since I think it's a little confusing describing it as a castle.

The way I remember it was the two girls who visited the place stopped in a town a few miles from where the actual building was. The woman who told them the history of it refused to go as an actual guide. Actually, I think no one would lead them up to the place because so many 'evil spirits' resided there. They had to travel through lots of brush to get to it and it sat on top of a high hill that kind of overlooked the small town below.

The building itself was delapidated and made of brick. They stayed in a small room on the second floor and had to climb a ladder to get there ( I think I remember it being a ladder). During the show, however, they ended up getting so scared that they refused to sleep up in the room and ran out halfway into the night. I can't remember if they slept outside or just went back to the town.

Answer 1

I used to live in Germany as a child and I remember a place called the Heidelberg Castle and it is supposedly haunted, but I'm not sure if there was ever any satanic worshipping going on there.

Answer 2

Hellfire Caves? Something like that. It is in England somewhere under a church as I remember.