An interesting UFO case started from a video posted to YouTube that made notable because of the unusual fact that three different people, from various angles, recorded the same sighting over the ancient ruins of Achalm castle in Germany.

The unidentified flying object captured on tape looks enormous as it spins like a top. A closeup of the object doesn't reveal much identifiable detail, except to say that it's definitely not any known aircraft.

The separate videos were posted individually between Saturday, August 18, and Monday, August 20, 2012. The compilation video, posted by HaunebuTechnology hit the web late Monday night. The three separate images were also compiled together on the same screenshot, lending lots of credence to the conclusion none of them were faked.

Comments on the videos are in German, but the voices of the witnesses are all different. The quality of the first UFO sighting video is the best, but the other two are just as compelling. What is this thing?

The object is very large and it seems to swing on an axis. At the end of the third video clip, the UFO suddenly flies off at tremendous speed. Nothing man-made is known to be able to fly at that speed.