What Lurks Beneath

We were on our way home from another investigation when we happened to notice lights floating through the air.  They weren't lights from an airplane or expo lights or anything like that.  We originally had thought that they were lights that came from some sort of UFO, but we aren't even sure that they are those anymore.  The fact is, we don't know what the lights are that drew us to the pyramid that we found in the middle of the Appalachian Mountains on our way home from Kentucky.  They could have been the souls of past Egyptians that somehow had ended up in America, thousands of miles away from their homeland.  Or maybe it was just coincidence?  We don't rightfully know.  What we do know is that once we saw the lights in the sky, we attempted to follow them as best we could.  This led us to a site where there was a lit bonfire.  It looked like any normal bonfire, except there wasn't a human in site.  We wondered how in the world the fire got there, but we didn't have much time to wond