>> i knew that they might perceive it as defiling it, but i knew that we took great measures to respect things and not to tear up anything that we didn't have to. but whatever it took to make sure that there wasn't a victim there is what we were going to do. >> reporter: there was no sign of sarah or anyone else inside. but as they climbed they could see that each floor seemed to have special significance. as they rose, the colors of the walls, the floors, the furniture changed. each floor distinctively different. >> the third floor was white, and it was brilliant white. the drapes were white, the furniture white. the tables were white. the chairs were white. the carpet was white. you almost needed shades when you walked up there and you really did almost get the sense like, if there's a room in heaven, i bet it looks like this. >> reporter: and on the same floor the rangers discovered something very strange. >> two beds. and one bed was positioned and